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    432 Products

    ER Collets

    Image of System. Side1 orientation. CrossSection view. Contains Annotated. Milling Machine Collets. ER Collets.
    Image of Product. Front orientation. Milling Machine Collets. ER Collets.
    The most widely used type of collet, these collets hold cutting tools in ER collet chucks for milling, drilling, and routing. Spring slots clamp evenly around the shank to minimize runout for clean, accurate cuts and long tool life. The slots flex to grip slightly undersized shanks too, so you don't need an exact match for each cutting tool in your lineup. You can also use these collets in ER collet fixtures and custom setups to keep small round parts centered.
    52100 Alloy Steel—Hardened 52100 alloy steel collets are made from the same tough material used to make bearings. They’re more wear-resistant than basic spring steel collets but will wear faster than hardened chrome-moly steel collets if you change bits frequently.
    Chrome-Moly Steel—Hardened chrome-moly steel collets are more wear-resistant than hardened 52100 alloy steel collets. They hold their shape better over time and have lower runout, even with frequent bit changes. Often used for high-volume production runs, they stand up to high-speed, high-force machining in any material.
    Collet
    Size
    Grip Range
    Total Indicated Runout
    (TIR) Accuracy
    ID Tolerance
    Max. Body
    Dia.
    Overall
    Lg.
    Specs. Met
    Each
    ER-8
     
    Hardened 52100 Alloy Steel
    1/16"0.043" to 0.062"0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N11000000
    3/32"0.054" to 0.094"0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1200000
    1/8"0.086" to 0.125"0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1300000
    3/16"0.148" to 0.187"0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1400000
    1 mm0.5 mm to 1 mm0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1500000
    1.5 mm1 mm to 1.5 mm0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1600000
    2 mm1.5 mm to 2 mm0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1700000
    3 mm2.5 mm to 3 mm0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1800000
    4 mm3.5 mm to 4 mm0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N1900000
    5 mm4.5 mm to 5 mm0.0002"-0.0004" to 0"0.33"0.51"DIN 6499-B, ISO 15488 Form B9397N2100000
     
    ER-11
     
    Hardened 52100 Alloy Steel
    1/16"0.043" to 0.062"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20100000
    3/32"0.054" to 0.093"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20200000
    1/8"0.086" to 0.125"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20300000
    5/32"0.117" to 0.156"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20400000
    3/16"0.148" to 0.187"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20500000
    7/32"0.179" to 0.218"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20600000
    1/4"0.211" to 0.250"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20700000
    9/32"0.242" to 0.281"0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20800000
    1 mm0.5 mm to 1 mm0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N20900000
    1.5 mm1 mm to 1.5 mm0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N21100000
    2 mm1.5 mm to 2 mm0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N21200000
    3 mm2.5 mm to 3 mm0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N21300000
    4 mm3.5 mm to 4 mm0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N21400000
    5 mm4.5 mm to 5 mm0.0002"-0.0004" to 0"0.45"0.71"DIN 6499-B, ISO 15488 Form B4560N21500000
     
    Hardened Chrome-Moly Steel
    1/32"0.024" to 0.031"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10100000
    1/16"0.043" to 0.063"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10200000
    3/32"0.074" to 0.094"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10300000
    1/8"0.105" to 0.125"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N1200000
    5/32"0.137" to 0.156"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10400000
    3/16"0.168" to 0.188"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N1300000
    7/32"0.199" to 0.219"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10500000
    1/4"0.230" to 0.250"0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N1100000
    1 mm0.5 mm to 1 mm0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10600000
    1.5 mm1 mm to 1.5 mm0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10700000
    2 mm1.5 mm to 2 mm0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10800000
    3 mm2.5 mm to 3 mm0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N10900000
    4 mm3.5 mm to 4 mm0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N11100000
    5 mm4.5 mm to 5 mm0.0002"-0.0001" to 0.0001"0.46"0.71"DIN 6499-B, ISO 15488 Form B4560N11200000
     
    ER-16
     
    Hardened 52100 Alloy Steel
    1/16"0.043" to 0.062"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11100000
    3/32"0.054" to 0.093"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11200000
    1/8"0.086" to 0.125"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11300000
    5/32"0.117" to 0.156"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11400000
    11/64"0.132" to 0.171"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11500000
    3/16"0.148" to 0.187"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11600000
    7/32"0.179" to 0.218"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11700000
    1/4"0.211" to 0.250"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11800000
    9/32"0.242" to 0.281"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A11900000
    5/16"0.273" to 0.312"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12100000
    3/8"0.336" to 0.375"0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12200000
    1 mm0.5 mm to 1 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12300000
    1.5 mm1 mm to 1.5 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12400000
    2 mm1.5 mm to 2 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12500000
    3 mm2 mm to 3 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12600000
    4 mm3 mm to 4 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12700000
    5 mm4 mm to 5 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12800000
    6 mm5 mm to 6 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A12900000
    8 mm7 mm to 8 mm0.0002"-0.0004" to 0"0.67"1.08"DIN 6499-B, ISO 15488 Form B3215A13100000
     
    Hardened Chrome-Moly Steel
    1/32"0.024" to 0.031"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30100000
    1/16"0.043" to 0.063"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30200000
    3/32"0.074" to 0.094"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30300000
    1/8"0.105" to 0.125"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30400000
    5/32"0.141" to 0.156"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30500000
    3/16"0.148" to 0.188"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30600000
    7/32"0.179" to 0.219"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30700000
    1/4"0.211" to 0.250"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30800000
    9/32"0.242" to 0.281"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A30900000
    5/16"0.273" to 0.313"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A31100000
    11/32"0.304" to 0.344"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A31200000
    3/8"0.336" to 0.375"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A31300000
    13/32"0.367" to 0.406"0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A31400000
    1 mm0.5 mm to 1 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10100000
    1.5 mm1 mm to 1.5 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10200000
    2 mm1.5 mm to 2 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10300000
    3 mm2.5 mm to 3 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10400000
    4 mm3.5 mm to 4 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10500000
    5 mm4 mm to 5 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10600000
    6 mm5 mm to 6 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10700000
    8 mm7 mm to 8 mm0.0002"-0.0001" to 0.0001"0.68"1.06"DIN 6499-B, ISO 15488 Form B3215A10800000
     
    ER-20
     
    Hardened 52100 Alloy Steel
    1/16"0.043" to 0.062"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10200000
    3/32"0.054" to 0.093"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10300000
    1/8"0.086" to 0.125"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10400000
    5/32"0.117" to 0.156"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10500000
    3/16"0.148" to 0.187"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10600000
    7/32"0.179" to 0.218"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10700000
    1/4"0.211" to 0.250"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10800000
    9/32"0.242" to 0.281"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N10900000
    5/16"0.273" to 0.312"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11100000
    11/32"0.304" to 0.343"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11200000
    3/8"0.336" to 0.375"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11300000
    7/16"0.398" to 0.437"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11400000
    15/32"0.429" to 0.468"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11500000
    1/2"0.461" to 0.500"0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11600000
    1 mm0.5 mm to 1 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11700000
    1.5 mm1 mm to 1.5 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11800000
    2 mm1.5 mm to 2 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N11900000
    3 mm2 mm to 3 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12100000
    4 mm3 mm to 4 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12200000
    5 mm4 mm to 5 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12300000
    6 mm5 mm to 6 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12400000
    8 mm7 mm to 8 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12500000
    10 mm9 mm to 10 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12600000
    12 mm11 mm to 12 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12700000
    14 mm13 mm to 14 mm0.0002"-0.0004" to 0"0.83"1.24"DIN 6499-B, ISO 15488 Form B1724N12800000
     
    Hardened Chrome-Moly Steel
    1/16"0.043" to 0.063"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1100000
    3/32"0.074" to 0.094"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1200000
    1/8"0.105" to 0.125"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1300000
    5/32"0.141" to 0.156"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1400000
    3/16"0.148" to 0.188"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1500000
    7/32"0.179" to 0.219"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1600000
    1/4"0.211" to 0.250"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1700000
    9/32"0.242" to 0.281"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1800000
    5/16"0.273" to 0.313"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N1900000
    11/32"0.304" to 0.344"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2100000
    3/8"0.336" to 0.375"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2200000
    13/32"0.367" to 0.406"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2300000
    7/16"0.398" to 0.438"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2400000
    15/32"0.429" to 0.469"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2500000
    1/2"0.461" to 0.500"0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2600000
    2 mm1.5 mm to 2 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N10100000
    3 mm2.5 mm to 3 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2700000
    4 mm3.5 mm to 4 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2800000
    5 mm4 mm to 5 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N2900000
    6 mm5 mm to 6 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N300000
    7 mm6 mm to 7 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3100000
    8 mm7 mm to 8 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3200000
    10 mm9 mm to 10 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3300000
    12 mm11 mm to 12 mm0.0002"-0.0001" to 0.0001"0.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3400000
     
    ER-25
     
    Hardened 52100 Alloy Steel
    1/16"0.043" to 0.062"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10100000
    3/32"0.054" to 0.093"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10200000
    1/8"0.086" to 0.125"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10300000
    5/32"0.117" to 0.156"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10400000
    3/16"0.148" to 0.187"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10500000
    7/32"0.179" to 0.218"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10600000
    1/4"0.211" to 0.250"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10700000
    9/32"0.242" to 0.281"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10800000
    5/16"0.273" to 0.312"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N10900000
    11/32"0.304" to 0.343"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11100000
    3/8"0.336" to 0.375"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11200000
    13/32"0.367" to 0.406"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11300000
    7/16"0.398" to 0.437"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11400000
    1/2"0.461" to 0.500"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11500000
    5/8"0.586" to 0.625"0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11600000
    2 mm1.5 mm to 2 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11700000
    3 mm2 mm to 3 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11800000
    4 mm3 mm to 4 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N11900000
    5 mm4 mm to 5 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N12100000
    6 mm5 mm to 6 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N12200000
    8 mm7 mm to 8 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N12300000
    12 mm11 mm to 12 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N12400000
    16 mm15 mm to 16 mm0.0002"-0.0004" to 0"1.02"1.34"DIN 6499-B, ISO 15488 Form B3669N12500000
     
    Hardened Chrome-Moly Steel
    1/16"0.043" to 0.063"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1100000
    3/32"0.074" to 0.094"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1200000
    1/8"0.105" to 0.125"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1300000
    5/32"0.141" to 0.156"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1400000
    3/16"0.148" to 0.188"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1500000
    7/32"0.179" to 0.219"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1600000
    1/4"0.211" to 0.250"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1700000
    9/32"0.242" to 0.281"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1800000
    5/16"0.273" to 0.313"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N1900000
    11/32"0.304" to 0.344"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2100000
    3/8"0.336" to 0.375"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2200000
    13/32"0.367" to 0.406"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2300000
    7/16"0.398" to 0.438"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2400000
    15/32"0.429" to 0.469"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2500000
    1/2"0.461" to 0.500"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2600000
    17/32"0.492" to 0.531"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2700000
    9/16"0.523" to 0.563"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2800000
    19/32"0.554" to 0.594"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N2900000
    5/8"0.586" to 0.625"0.0002"-0.0001" to 0.0001"1.03"1.38"DIN 6499-B, ISO 15488 Form B3669N3100000
     
    ER-32
     
    Hardened 52100 Alloy Steel
    1/16"0.043" to 0.062"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30100000
    3/32"0.054" to 0.093"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30200000
    1/8"0.086" to 0.125"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30300000
    5/32"0.117" to 0.156"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30400000
    3/16"0.148" to 0.187"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30500000
    7/32"0.179" to 0.218"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30600000
    1/4"0.211" to 0.250"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30700000
    9/32"0.242" to 0.281"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30800000
    5/16"0.273" to 0.312"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A30900000
    11/32"0.304" to 0.343"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31100000
    3/8"0.336" to 0.375"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31200000
    13/32"0.367" to 0.406"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31300000
    7/16"0.398" to 0.437"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31400000
    1/2"0.461" to 0.500"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31500000
    5/8"0.586" to 0.625"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31600000
    11/16"0.648" to 0.687"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31700000
    3/4"0.711" to 0.750"0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31800000
    3 mm2 mm to 3 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A31900000
    4 mm3 mm to 4 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32100000
    5 mm4 mm to 5 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32200000
    6 mm5 mm to 6 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32300000
    7 mm6 mm to 7 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32400000
    8 mm7 mm to 8 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32500000
    10 mm9 mm to 10 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32600000
    12 mm11 mm to 12 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32700000
    14 mm13 mm to 14 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32800000
    16 mm15 mm to 16 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A32900000
    20 mm19 mm to 20 mm0.0002"-0.0004" to 0"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A33100000
     
    Hardened Chrome-Moly Steel
    1/8"0.105" to 0.125"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1100000
    5/32"0.141" to 0.156"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11100000
    3/16"0.148" to 0.188"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1200000
    7/32"0.179" to 0.219"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11200000
    1/4"0.211" to 0.250"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1300000
    9/32"0.242" to 0.281"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11300000
    5/16"0.273" to 0.313"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1400000
    11/32"0.304" to 0.344"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1500000
    3/8"0.336" to 0.375"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1600000
    13/32"0.367" to 0.406"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11400000
    7/16"0.398" to 0.438"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1700000
    15/32"0.429" to 0.469"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11500000
    1/2"0.461" to 0.500"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1800000
    17/32"0.492" to 0.531"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11600000
    9/16"0.523" to 0.563"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11700000
    5/8"0.586" to 0.625"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A1900000
    21/32"0.617" to 0.656"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A11900000
    11/16"0.648" to 0.688"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12100000
    3/4"0.711" to 0.750"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A2100000
    25/32"0.742" to 0.781"0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12300000
    3 mm2.5 mm to 3 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12400000
    3.5 mm3 mm to 3.5 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12500000
    4 mm3.5 mm to 4 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12600000
    5 mm4 mm to 5 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12700000
    6 mm5 mm to 6 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12800000
    7 mm6 mm to 7 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A12900000
    8 mm7 mm to 8 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13100000
    9 mm8 mm to 9 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13200000
    10 mm9 mm to 10 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13300000
    11 mm10 mm to 11 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13400000
    12 mm11 mm to 12 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13600000
    13 mm12 mm to 13 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13700000
    14 mm13 mm to 14 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13800000
    15 mm14 mm to 15 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A13900000
    16 mm15 mm to 16 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A14100000
    18 mm17 mm to 18 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A14300000
    19 mm18 mm to 19 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A14400000
    19.5 mm18.5 mm to 19.5 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A14500000
    20 mm19 mm to 20 mm0.0002"-0.0001" to 0.0001"1.3"1.57"DIN 6499-B, ISO 15488 Form B3321A14600000
     
    ER-40
     
    Hardened 52100 Alloy Steel
    1/8"0.086" to 0.125"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1100000
    5/32"0.117" to 0.156"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1200000
    3/16"0.148" to 0.187"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1300000
    7/32"0.179" to 0.218"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1400000
    1/4"0.211" to 0.250"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1500000
    9/32"0.242" to 0.281"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1600000
    5/16"0.273" to 0.312"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1700000
    11/32"0.304" to 0.343"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1800000
    3/8"0.336" to 0.375"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N1900000
    7/16"0.398" to 0.437"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2100000
    1/2"0.461" to 0.500"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2200000
    17/32"0.492" to 0.531"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2300000
    9/16"0.523" to 0.562"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2400000
    5/8"0.586" to 0.625"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2500000
    21/32"0.617" to 0.656"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2600000
    3/4"0.711" to 0.750"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2700000
    25/32"0.742" to 0.781"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2800000
    7/8"0.836" to 0.875"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N2900000
    1"0.961" to 1"0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3100000
    3 mm2 mm to 3 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3200000
    4 mm3 mm to 4 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3300000
    5 mm4 mm to 5 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3400000
    8 mm7 mm to 8 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3500000
    10 mm9 mm to 10 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3600000
    12 mm11 mm to 12 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3700000
    20 mm19 mm to 20 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3800000
    25 mm24 mm to 25 mm0.0002"-0.0004" to 0"1.61"1.81"DIN 6499-B, ISO 15488 Form B9498N3900000
     
    ER-50
     
    Hardened 52100 Alloy Steel
    1/2"0.461" to 0.500"0.0002"-0.0004" to 0"2.05"2.36"DIN 6499-B, ISO 15488 Form B9623N1100000
    5/8"0.586" to 0.625"0.0002"-0.0004" to 0"2.05"2.36"DIN 6499-B, ISO 15488 Form B9623N1200000
    3/4"0.711" to 0.750"0.0002"-0.0004" to 0"2.05"2.36"DIN 6499-B, ISO 15488 Form B9623N1300000
    7/8"0.836" to 0.875"0.0002"-0.0004" to 0"2.05"2.36"DIN 6499-B, ISO 15488 Form B9623N1400000
    1"0.961" to 1"0.0002"-0.0004" to 0"2.05"2.36"DIN 6499-B, ISO 15488 Form B9623N1500000
    1 1/4"1.211" to 1.250"0.0002"-0.0004" to 0"2.05"2.36"DIN 6499-B, ISO 15488 Form B9623N1600000
    20 mm18 mm to 20 mm0.0002"-0.0004" to 0"2.05"2.36"DIN 6499-B, ISO 15488 Form B9623N1700000
     

    ER Collet Sets

    Image of Product. Collet Set with Wood Stand. Front orientation. Milling Machine Collets. ER Collet Sets, Wood Stand.
    Image of Product. Collet Set with Plastic Case. Front orientation. Milling Machine Collets. ER Collet Sets, Plastic Case.

    Collet Set with Wood

    Stand

    Collet Set with Plastic

    Case

    Image of Product. Collet Set. Front orientation. Milling Machine Collets. ER Collet Sets.

    Collet Set

    Keep a set of ER collets on hand to hold cutting tools for milling, drilling, and routing. They’re the most versatile and widely used type of collet. Spring slots clamp evenly around the shank to minimize runout for clean, accurate cuts and long tool life. The slots flex to grip slightly undersized shanks too, so you don't need an exact match for each cutting tool in your lineup. You can also use these collets in ER collet fixtures and custom setups to keep small round parts centered.
    52100 Alloy Steel—Hardened 52100 alloy steel collets are made from the same tough material used to make bearings. They’re more wear-resistant than basic spring steel collets but will wear faster than hardened chrome-moly steel collets if you change bits frequently.
    Chrome-Moly Steel—Hardened chrome-moly steel collets are more wear-resistant than hardened 52100 alloy steel collets. They hold their shape better over time and have lower runout, even with frequent bit changes. Often used for high-volume production runs, they stand up to high-speed, high-force machining in any material.
    No. of
    Pieces
    Collet Sizes Included
    Total Indicated Runout
    (TIR) Accuracy
    ID Tolerance
    Approx. Dia. Compression
    (Collet Size)
    Max. Body
    Dia.
    Overall
    Lg.
    Container
    Type
    Specs. Met
    Each
    ER-8 Collet
     
    Hardened 52100 Alloy Steel
    91 mm-5 mm (increments of 0.5 mm)0.0002"-0.0004" to 0"1/64" (1 mm to 5 mm)0.33"0.51"Wood StandDIN 6499-B, ISO 15488 Form B9411N220000000
     
    ER-11 Collet
     
    Hardened 52100 Alloy Steel
    71/16"-1/4" (increments of 1/32")0.0002"-0.0004" to 0"1/64" (1/16")
    1/32" (3/32" to 1/4")
    0.45"0.71"Wood StandDIN 6499-B, ISO 15488 Form B9411N23000000
    131 mm-7 mm (increments of 0.5 mm)0.0002"-0.0004" to 0"1/64" (1 mm to 5 mm)
    1/32" (5.5 mm to 7 mm)
    0.45"0.71"Wood StandDIN 6499-B, ISO 15488 Form B9411N24000000
     
    Hardened Chrome-Moly Steel
    71/16"-1/4" (increments of 1/32")0.0002"0" to 0.0006"1/64" (1/16" to 1/4")0.45"0.71"Plastic CaseDIN 6499-B, ISO 15488 Form B9411N11000000
    121.5 mm-7 mm (increments of 0.5 mm)0.0002"-0.0001" to 0.0001"1/64" (1.5 mm to 7 mm)0.46"0.71"DIN 6499-B, ISO 15488 Form B9411N12000000
     
    ER-16 Collet
     
    Hardened 52100 Alloy Steel
    101 mm-10 mm (increments of 1 mm)0.0002"-0.0004" to 0"1/64" (1 mm to 2 mm)
    1/32" (3 mm to 10 mm)
    0.68"1.08"Wood StandDIN 6499-B, ISO 15488 Form B9411N25000000
    121/16"-13/32" (increments of 1/32")0.0002"-0.0004" to 0"1/64" (1/16")
    1/32" (3/32" to 13/32")
    0.68"1.08"Wood StandDIN 6499-B, ISO 15488 Form B9411N26000000
     
    Hardened Chrome-Moly Steel
    92 mm-10 mm (increments of 1 mm)0.0002"-0.0001" to 0.0001"1/64" (2 mm to 4 mm)
    1/32" (5 mm to 10 mm)
    0.68"1.06"DIN 6499-B, ISO 15488 Form B9411N13000000
    121/16"-13/32" (increments of 1/32")0.0002"-0.0001" to 0.0001"1/64" (1/16" to 5/32")
    1/32" (3/16" to 13/32")
    0.68"1.06"DIN 6499-B, ISO 15488 Form B9411N14000000
     
    ER-20 Collet
     
    Hardened 52100 Alloy Steel
    122 mm-13 mm (increments of 1 mm)0.0002"-0.0004" to 0"1/64" (2 mm)
    1/32" (3 mm to 13 mm)
    0.83"1.24"Wood StandDIN 6499-B, ISO 15488 Form B9411N27000000
    151/16"-1/2" (increments of 1/32")0.0002"-0.0004" to 0"1/64" (1/16")
    1/32" (3/32" to 1/2")
    0.83"1.24"Wood StandDIN 6499-B, ISO 15488 Form B9411N28000000
     
    Hardened Chrome-Moly Steel
    113 mm-13 mm (increments of 1 mm)0.0002"-0.0001" to 0.0001"1/64" (3 mm to 4 mm)
    1/32" (5 mm to 13 mm)
    0.83"1.22"DIN 6499-B, ISO 15488 Form B9411N15000000
    151/16"-1/2" (increments of 1/32")0.0002"-0.0001" to 0.0001"1/64" (1/16" to 5/32")
    1/32" (3/16" to 1/2")
    0.83"1.22"DIN 6499-B, ISO 15488 Form B9411N16000000
     
    ER-25 Collet
     
    Hardened 52100 Alloy Steel
    152 mm-16 mm (increments of 1 mm)0.0002"-0.0004" to 0"1/64" (2 mm)
    1/32" (3 mm to 16 mm)
    1.02"1.34"Wood StandDIN 6499-B, ISO 15488 Form B9411N29000000
    183/32"-5/8" (increments of 1/32")0.0002"-0.0004" to 0"1/32" (3/32" to 5/8")1.02"1.34"Wood StandDIN 6499-B, ISO 15488 Form B9411N31000000
     
    Hardened Chrome-Moly Steel
    143 mm-16 mm (increments of 1 mm)0.0002"-0.0001" to 0.0001"1/64" (3 mm to 4 mm)
    1/32" (5 mm to 16 mm)
    1.03"1.38"DIN 6499-B, ISO 15488 Form B9411N17000000
    191/16"-5/8" (increments of 1/32")0.0002"-0.0001" to 0.0001"1/64" (1/16" to 5/32")
    1/32" (3/16" to 5/8")
    1.03"1.38"DIN 6499-B, ISO 15488 Form B9411N18000000
     
    ER-32 Collet
     
    Hardened 52100 Alloy Steel
    183 mm-20 mm (increments of 1 mm)0.0002"-0.0004" to 0"1/32" (3 mm to 20 mm)1.3"1.57"Wood StandDIN 6499-B, ISO 15488 Form B9411N32000000
    223/32"-3/4" (increments of 1/32")0.0002"-0.0004" to 0"1/32" (3/32" to 3/4")1.3"1.57"Wood StandDIN 6499-B, ISO 15488 Form B9411N33000000
     
    Hardened Chrome-Moly Steel
    183 mm-20 mm (increments of 1 mm)0.0002"-0.0001" to 0.0001"1/64" (3 mm to 4 mm)
    1/32" (5 mm to 20 mm)
    1.31"1.57"DIN 6499-B, ISO 15488 Form B9411N19000000
    211/8"-3/4" (increments of 1/32")0.0002"-0.0001" to 0.0001"1/64" (1/8" to 5/32")
    1/32" (3/16" to 3/4")
    1.31"1.57"DIN 6499-B, ISO 15488 Form B9411N21000000
     
    ER-40 Collet
     
    Hardened 52100 Alloy Steel
    131", 1/8"-3/4" (increments of 1/16"), 7/8"0.0002"-0.0004" to 0"1/32" (1/8" to 3/4")1.61"1.81"Wood StandDIN 6499-B, ISO 15488 Form B9411N34000000
    234 mm-26 mm (increments of 1 mm)0.0002"-0.0004" to 0"1/32" (4 mm to 26 mm)1.61"1.81"Wood StandDIN 6499-B, ISO 15488 Form B9411N35000000
     
    ER-50 Collet
     
    Hardened 52100 Alloy Steel
    61 1/4", 1/2"-1" (increments of 1/8")0.0002"-0.0004" to 0"1/32" (1/2" to 1 1/4")2.05"2.36"Wood StandDIN 6499-B, ISO 15488 Form B9411N36000000
    176 mm-10 mm (increments of 1 mm), 12 mm-34 mm (increments of 2 mm)0.0002"-0.0004" to 0"1/32" (6 mm to 18 mm)
    5/64" (20 mm to 34 mm)
    2.05"2.36"Wood StandDIN 6499-B, ISO 15488 Form B9411N37000000
     

    ER Coolant Control Collets

    Image of System. Side1 orientation. CrossSection view. Contains Annotated. Milling Machine Collets. ER Coolant Control Collets.
    Image of ProductInUse. Sealed Shown in Use. Front orientation. Milling Machine Collets. ER Coolant Control Collets, Sealed Coolant Delivery Collet.
    Image of ProductInUse. Angled Ports Shown in Use. Front orientation. Milling Machine Collets. ER Coolant Control Collets, Angled Ports Coolant Delivery Collet.

    Sealed

    Shown in Use

    Angled Ports

    Shown in Use

    Image of Product. Sealed. Front orientation. Milling Machine Collets. ER Coolant Control Collets, Sealed Coolant Delivery Collet.
    Image of Product. Angled Ports. Front orientation. Milling Machine Collets. ER Coolant Control Collets, Angled Ports Coolant Delivery Collet.

    Sealed

    Angled Ports

    Made with high-performance machining in mind—these collets not only grip your cutting tool but also direct coolant to the tool's cutting edge. They have coolant channels designed to work with through-spindle coolant (TSC) systems to clear chips and reduce heat from friction, resulting in clean cuts and long tool life. Place them directly into your ER collet holder, no need to fuss with special collet nuts, coolant rings, or repositioning hoses and nozzles with every setup change.
    You get the benefits of using an ER collet, too. Spring slots clamp evenly around the shank to minimize runout for accurate cuts. Keep in mind, these collets must form a tight seal around the tool shank for proper coolant delivery, so match the shank size to the collet size exactly for the best results.
    Sealed Coolant Delivery Collet—Sealed collets run coolant through the cutting tool, so they only work with tools that have coolant holes. Since the coolant runs through the tool, they’re a better choice for deep-hole drilling and high-speed machining than collets with angled ports. Steel seals are built into their body, so they withstand higher pressure and last longer than collets with rubber seals.
    Angled Ports Coolant Delivery Collet—Collets with angled ports direct coolant around, not through, the tool, so you get the benefit of coolant control without needing expensive tools with coolant holes.
    52100 Alloy Steel—Hardened 52100 alloy steel collets are made from the same tough material used to make bearings. They’re more wear-resistant than basic spring steel collets but will wear faster than hardened chrome-moly steel collets if you change bits too frequently.
    Chrome-Moly Steel—Hardened chrome-moly steel collets are more wear-resistant than hardened 52100 alloy steel collets. They hold their shape better over time and have lower runout, even with frequent bit changes. Often used for high-volume production runs, they stand up to high-speed, high-force machining in any material. Their maximum coolant pressure is higher than 52100 alloy steel collets, so they’re a better choice for deep-hole drilling and turning operations in CNC Swiss lathes.
    Collet
    Size
    Grip Range
    Total Indicated Runout
    (TIR) Accuracy
    ID Tolerance
    Max. Coolant
    Pressure, psi
    Max. Body
    Dia.
    Overall
    Lg.
    Specs. Met
    Each
    ER-11—Sealed
     
    Hardened 52100 Alloy Steel
    1/8"Not Rated0.0002"-0.0004" to 0"2,0000.45"0.71"DIN 6499-B, ISO 15488 Form B4560N301000000
    3/16"Not Rated0.0002"-0.0004" to 0"2,0000.45"0.71"DIN 6499-B, ISO 15488 Form B4560N30200000
    1/4"Not Rated0.0002"-0.0004" to 0"2,0000.45"0.71"DIN 6499-B, ISO 15488 Form B4560N30300000
     
    ER-16—Sealed
     
    Hardened 52100 Alloy Steel
    3/32"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20100000
    1/8"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20200000
    5/32"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20300000
    3/16"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20400000
    7/32"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20500000
    1/4"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20600000
    5/16"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20700000
    3/8"Not Rated0.0002"-0.0004" to 0"2,0000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20800000
     
    ER-16—Angled Ports
     
    Hardened 52100 Alloy Steel
    1/8"Not Rated0.0002"-0.0004" to 0"1,4000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A20900000
    5/32"Not Rated0.0002"-0.0004" to 0"1,4000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A21100000
    3/16"Not Rated0.0002"-0.0004" to 0"1,4000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A21200000
    7/32"Not Rated0.0002"-0.0004" to 0"1,4000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A21300000
    1/4"Not Rated0.0002"-0.0004" to 0"1,4000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A21400000
    5/16"Not Rated0.0002"-0.0004" to 0"1,4000.67"1.08"DIN 6499-B, ISO 15488 Form B3215A21500000
     
    ER-20—Sealed
     
    Hardened 52100 Alloy Steel
    1/8"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20100000
    5/32"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20200000
    3/16"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20300000
    7/32"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20400000
    1/4"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20500000
    5/16"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20600000
    3/8"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20700000
    1/2"Not Rated0.0002"-0.0004" to 0"2,0000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20800000
     
    Hardened Chrome-Moly Steel
    3/16"0.183" to 0.188"0.0002"-0.0001" to 0.0001"2,9000.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3500000
    1/4"0.230" to 0.250"0.0002"-0.0001" to 0.0001"2,9000.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3600000
    3/8"0.355" to 0.375"0.0002"-0.0001" to 0.0001"2,9000.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3700000
    1/2"0.480" to 0.500"0.0002"-0.0001" to 0.0001"2,9000.83"1.22"DIN 6499-B, ISO 15488 Form B1724N3800000
     
    ER-20—Angled Ports
     
    Hardened 52100 Alloy Steel
    1/8"Not Rated0.0002"-0.0004" to 0"1,4000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N20900000
    5/32"Not Rated0.0002"-0.0004" to 0"1,4000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N21100000
    3/16"Not Rated0.0002"-0.0004" to 0"1,4000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N21200000
    7/32"Not Rated0.0002"-0.0004" to 0"1,4000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N21300000
    1/4"Not Rated0.0002"-0.0004" to 0"1,4000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N21400000
    5/16"Not Rated0.0002"-0.0004" to 0"1,4000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N21500000
    3/8"Not Rated0.0002"-0.0004" to 0"1,4000.83"1.24"DIN 6499-B, ISO 15488 Form B1724N21600000
     
    ER-25—Sealed
     
    Hardened 52100 Alloy Steel
    3/16"Not Rated0.0002"-0.0004" to 0"2,0001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20100000
    7/32"Not Rated0.0002"-0.0004" to 0"2,0001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20200000
    1/4"Not Rated0.0002"-0.0004" to 0"2,0001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20300000
    5/16"Not Rated0.0002"-0.0004" to 0"2,0001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20400000
    3/8"Not Rated0.0002"-0.0004" to 0"2,0001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20500000
    1/2"Not Rated0.0002"-0.0004" to 0"2,0001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20600000
     
    ER-25—Angled Ports
     
    Hardened 52100 Alloy Steel
    7/32"Not Rated0.0002"-0.0004" to 0"1,4001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20700000
    1/4"Not Rated0.0002"-0.0004" to 0"1,4001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20800000
    5/16"Not Rated0.0002"-0.0004" to 0"1,4001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N20900000
    3/8"Not Rated0.0002"-0.0004" to 0"1,4001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N21100000
    1/2"Not Rated0.0002"-0.0004" to 0"1,4001.02"1.34"DIN 6499-B, ISO 15488 Form B3669N21200000
     
    ER-32—Sealed
     
    Hardened 52100 Alloy Steel
    3/16"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40100000
    7/32"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40200000
    1/4"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40300000
    5/16"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40400000
    3/8"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40500000
    1/2"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40600000
    5/8"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40700000
    3/4"Not Rated0.0002"-0.0004" to 0"2,0001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40800000
     
    Hardened Chrome-Moly Steel
    1/4"0.246" to 0.250"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A14700000
    17/64"0.262" to 0.266"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A14800000
    19/64"0.293" to 0.297"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15100000
    5/16"0.308" to 0.313"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15200000
    21/64"0.308" to 0.328"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15300000
    11/32"0.324" to 0.344"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15400000
    3/8"0.355" to 0.375"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15600000
    25/64"0.371" to 0.391"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15700000
    13/32"0.387" to 0.406"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15800000
    7/16"0.418" to 0.438"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A15900000
    29/64"0.433" to 0.453"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A16100000
    15/32"0.449" to 0.469"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A16200000
    31/64"0.465" to 0.484"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A16300000
    1/2"0.480" to 0.500"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A16400000
    33/64"0.496" to 0.516"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A16500000
    9/16"0.543" to 0.563"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A16800000
    5/8"0.605" to 0.625"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A17300000
    41/64"0.621" to 0.641"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A17400000
    3/4"0.730" to 0.750"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A18200000
    49/64"0.746" to 0.766"0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A18300000
    10 mm9.5 mm to 10 mm0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A18500000
    10.5 mm10 mm to 10.5 mm0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A18600000
    11 mm10.5 mm to 11 mm0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A18700000
    12 mm11.5 mm to 12 mm0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A18900000
    13.5 mm13 mm to 13.5 mm0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A19300000
    14 mm13.5 mm to 14 mm0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A19400000
    20 mm19.5 mm to 20 mm0.0002"-0.0001" to 0.0001"2,9001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A20700000
     
    ER-32—Angled Ports
     
    Hardened 52100 Alloy Steel
    7/32"Not Rated0.0002"-0.0004" to 0"1,4001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A40900000
    1/4"Not Rated0.0002"-0.0004" to 0"1,4001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A41100000
    5/16"Not Rated0.0002"-0.0004" to 0"1,4001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A41200000
    3/8"Not Rated0.0002"-0.0004" to 0"1,4001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A41300000
    1/2"Not Rated0.0002"-0.0004" to 0"1,4001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A41400000
    5/8"Not Rated0.0002"-0.0004" to 0"1,4001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A41500000
    3/4"Not Rated0.0002"-0.0004" to 0"1,4001.3"1.57"DIN 6499-B, ISO 15488 Form B3321A41600000
     

    ER Collet Nuts

    Image of System. Side1 orientation. Contains Annotated. Collet Nuts. ER Collet Nuts.
    Image of Product. Collet Nut with Slotted Drive. Front orientation. Collet Nuts. ER Collet Nuts.
    Image of Product. Ultra-Low-Friction Bearing Collet Nut with Slotted Drive. Front orientation. Collet Nuts. ER Collet Nuts.
    Image of Product. Miniature Collet Nut. Front orientation. Collet Nuts. ER Collet Nuts.
    Image of Product. Collet Nut with Hex Drive. Front orientation. Collet Nuts. ER Collet Nuts.
    Image of Product. Ultra-Low-Friction Bearing Collet Nut with External Round Drive. Front orientation. Collet Nuts. ER Collet Nuts.

    Collet Nut with

    Slotted Drive

    Ultra-Low-Friction

    Bearing Collet Nut

    with Slotted Drive

    Miniature

    Collet Nut

    Collet Nut with Hex

    Drive

    Ultra-Low-Friction

    Bearing Collet Nut

    with External

    Round Drive

    Secure ER collets inside collet chucks and fixtures. Tightening these nuts squeezes the collet around the cutting tool to clamp it firmly in place.
    Low Friction—Low-friction coated nuts tighten more smoothly than standard collet nuts for even clamping and longer tool life. Replace them when the coating wears away.
    Ultra Low Friction—Ultra-low-friction bearing nuts are often used in the highest quality chucks. Instead of a coating that can wear away, these nuts have internal ball bearings for the smoothest and most uniform clamping. The result is a stronger grip, higher accuracy, and longer tool life compared to coated collet nuts. You can take them apart and clean them rather than replacing them.
    External Round Drive—External round nuts don’t have slots that trap coolant or chips. They spin with less resistance than other nuts and excel in high-speed machining operations. Also known as smooth collet nuts.
    Nuts
    Wrenches
    Open-End
    Wrenches
    Spanner Wrenches
    Drive
    For Collet
    Type
    Thread Size
    Style
    Size,
    mm
    Max. Rotation
    Speed, rpm
    Dia.,
    mm
    Ht.,
    mm
    Recommended Tightening
    Torque, ft·lbf
    Material
    Specs. Met
    Each
    Each
    Each
    Each
    Collet Nuts
    ER-11M14 × 0.75 mmHex
    1725,000191215Hardened SteelISO 15488 Form B9615N220000005699N127000000———0———0
    ER-16M22 × 1.5 mmHex
    2525,0002819.530Hardened SteelISO 15488 Form B9615N23000003215A44100000———0———0
    ER-16M22 × 1.5 mmSlotted
    1725,0003219.530Hardened SteelISO 15488 Form B9615N16000003215A34100000———0———0
    ER-20M25 × 1.5 mmHex
    3025,000352140Hardened SteelISO 15488 Form B9615N24000001721N1500000———0———0
    ER-20M25 × 1.5 mmSlotted
    22.525,000352140Hardened SteelISO 15488 Form B9615N17000001721N1400000———0———0
    ER-25M32 × 1.5 mmSlotted
    3625,000422260Hardened SteelISO 15488 Form B9615N18000005699N12800000———0———0
    ER-32M40 × 1.5 mmSlotted
    4425,000502590Hardened SteelISO 15488 Form B9615N19000003321A3200000———0———0
    ER-40M50 × 1.5 mmSlotted
    5725,0006327.5130Hardened SteelISO 15488 Form B9615N210000032605A9500000———0———0
     
    Low-Friction Coated Collet Nuts
    ER-11M14 × 0.75 mmHex
    1725,000191217Hardened SteelISO 15488 Form B9615N29000005699N12700000———0———0
    ER-16M22 × 1.5 mmHex
    2525,00027.51842Hardened SteelISO 15488 Form B9615N31000003215A44100000———0———0
    ER-16M22 × 1.5 mmSlotted
    2625,000321842Hardened SteelISO 15488 Form B9615N33000003215A34100000———0———0
    ER-20M25 × 1.5 mmHex
    3025,000341959Hardened SteelISO 15488 Form B9615N3200000———05488A29000000———0
    ER-20M25 × 1.5 mmSlotted
    2925,0003519.559Hardened SteelISO 15488 Form B9615N34000001721N1400000———0———0
    ER-25M32 × 1.5 mmSlotted
    35.725,000422177Hardened SteelISO 15488 Form B9615N35000005699N12800000———0———0
    ER-32M40 × 1.5 mmSlotted
    43.825,0005023100Hardened SteelISO 15488 Form B9615N36000003321A3200000———0———0
    ER-40M50 × 1.5 mmSlotted
    56.825,0006326130Hardened SteelISO 15488 Form B9615N370000032605A9500000———0———0
    ER-50M64 × 2 mmSlotted
    7125,0007835130Hardened SteelISO 15488 Form B9615N38000000———0———06975A22000000
     
    Ultra-Low-Friction Bearing Collet Nuts
    ER-16M22 × 1.5 mmExternal Round3225,000321740Hardened Nickel Chrome-Moly SteelISO 15488 Form B9615N41000009506N31000000———0———0
    ER-16M22 × 1.5 mmSlotted
    2725,000321740Hardened Nickel Chrome-Moly SteelISO 15488 Form B6163N112000003215A34100000———0———0
    ER-20M25 × 1.5 mmExternal Round3525,000351959Hardened Nickel Chrome-Moly SteelISO 15488 Form B9615N42000009506N32000000———0———0
    ER-20M25 × 1.5 mmSlotted
    3025,000351959Hardened Nickel Chrome-Moly SteelISO 15488 Form B6163N113000001721N1400000———0———0
    ER-25M32 × 1.5 mmExternal Round4225,000422073Hardened Nickel Chrome-Moly SteelISO 15488 Form B9615N43000009506N33000000———0———0
    ER-25M32 × 1.5 mmSlotted
    3725,000422073Hardened Nickel Chrome-Moly SteelISO 15488 Form B6163N114000005699N12800000———0———0
    ER-32M40 × 1.5 mmExternal Round5025,0005023100Hardened Nickel Chrome-Moly SteelISO 15488 Form B9615N44000009506N34000000———0———0
    ER-32M40 × 1.5 mmSlotted
    4525,0005023100Hardened Nickel Chrome-Moly SteelISO 15488 Form B6163N115000003321A3200000———0———0
    ER-40M50 × 1.5 mmExternal Round6225,0006225125Hardened Nickel Chrome-Moly SteelISO 15488 Form B9615N46000009506N35000000———0———0
    ER-40M50 × 1.5 mmSlotted
    5725,0006225125Hardened Nickel Chrome-Moly SteelISO 15488 Form B9615N450000032605A9500000———0———0
     
    Miniature Low-Friction Coated Collet Nuts
    ER-8M10 × 0.75 mmSlotted
    9.125,000121110Hardened SteelISO 15488 Form B9615N2500000———0———0———0
    ER-11M13 × 0.75 mmSlotted
    1225,000161212Hardened SteelISO 15488 Form B9615N2600000———0———08238N1500000
    ER-16M19 × 1 mmSlotted
    1725,000221820Hardened SteelISO 15488 Form B9615N3900000———0———0———0
    ER-20M24 × 1 mmSlotted
    2225,0002819.522Hardened SteelISO 15488 Form B9615N2700000———0———0———0
    ER-25M30 × 1 mmSlotted
    28.625,000352128Hardened SteelISO 15488 Form B9615N2800000———0———0———0
     
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