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    114 Products

    Precise-Fit Laps

    Image of Product. Front orientation. Contains Annotated. For Through Holes. Precise-Fit Laps.
    Image of Product. Front orientation. Contains Annotated. For Blind Holes. Precise-Fit Laps.
    An adjustment screw expands the barrel of these laps up to 15% to precisely match the ID of your hole and size or polish the inside. Use them with lapping paste.
    For Blind Holes—Laps for blind holes have a recessed adjustment screw so the barrel can reach the bottom of the hole.
    Laps
    Replacement
    Expander Barrels
    For
    ID
    Overall
    Lg.
    Barrel
    Lg.
    Material
    Shank
    Material
    Adjustment Screw
    Material
    Each
    Each
    For Through Holes
    1/8"2 5/8"5/8"BrassSteelSteel4548A31000004548A6600000
    5/32"3 1/8"5/8"BrassSteelSteel4548A3200004548A670000
    3/16"4 1/4"1"BrassSteelSteel4548A1100004548A510000
    7/32"4 1/2"1 1/8"BrassSteelSteel4548A12000004548A520000
    1/4"4 5/8"1 1/4"BrassSteelSteel4548A13000004548A530000
    9/32"4 7/8"1 3/8"BrassSteelSteel4548A14000004548A540000
    5/16"5"1 5/8"BrassSteelSteel4548A15000004548A550000
    11/32"5 3/4"1 3/4"BrassSteelSteel4548A16000004548A560000
    3/8"5 7/8"1 7/8"BrassSteelSteel4548A17000004548A570000
    7/16"6 1/2"2 1/4"BrassSteelSteel4548A19000004548A580000
    1/2"7 3/8"2 1/2"BrassSteelSteel4548A22000004548A590000
    9/16"7 5/8"2 3/4"BrassSteelSteel4548A23000004548A6100000
    5/8"8 3/8"3 1/8"BrassSteelSteel4548A24000004548A6200000
    11/16"8 3/8"3 1/8"BrassSteelSteel4548A42000004548A4600000
    3/4"8 3/8"3 1/8"BrassSteelSteel4548A26000004548A6300000
    7/8"8 3/8"3 1/8"BrassSteelSteel4548A27000004548A6400000
    1"8 3/8"3 1/8"BrassSteelSteel4548A29000004548A6500000
    1 1/8"9 1/4"3 1/8"BrassSteelSteel4548A43000004548A4700000
    3 mm2 5/8"5/8"BrassSteelSteel4548A811000004548A8510000
    5 mm4 3/8"1 1/8"BrassSteelSteel4548A815000004548A8550000
    6 mm4 5/8"1 1/4"BrassSteelSteel4548A817000004548A8570000
    7 mm4 7/8"1 3/8"BrassSteelSteel4548A819000004548A8590000
    8 mm5"1 5/8"BrassSteelSteel4548A822000004548A8620000
    10 mm6 1/2"2"BrassSteelSteel4548A826000004548A8660000
    12 mm6 7/8"2 3/8"BrassSteelSteel4548A831000004548A8710000
    14 mm7 5/8"2 7/8"BrassSteelSteel4548A835000004548A8750000
    15 mm8 3/8"3 1/8"BrassSteelSteel4548A837000004548A87700000
    17 mm8 3/8"3 1/8"BrassSteelSteel4548A841000004548A88100000
    20 mm8 3/8"3 1/8"BrassSteelSteel4548A845000004548A88500000
    25 mm8 3/8"3 1/8"BrassSteelSteel4548A849000004548A88900000
     
    For Blind Holes
    1/8"2 3/8"1/2"BrassSteelSteel4380A4100004380A430000
    5/32"2 7/8"1/2"BrassSteelSteel4380A42000004380A440000
    3/16"3 7/8"7/8"BrassSteelSteel4380A21000004380A450000
    7/32"4"1"BrassSteelSteel4380A22000004380A460000
    1/4"4 1/8"1 1/8"BrassSteelSteel4380A23000004380A470000
    9/32"4 1/4"1 1/4"BrassSteelSteel4380A24000004380A480000
    5/16"4 1/4"1 1/4"BrassSteelSteel4380A25000004380A490000
    11/32"4 7/8"1 3/8"BrassSteelSteel4380A26000004380A510000
    3/8"5"1 1/2"BrassSteelSteel4380A27000004380A520000
    7/16"5 5/8"1 3/4"BrassSteelSteel4380A29000004380A530000
    1/2"6"2"BrassSteelSteel4380A32000004380A540000
    9/16"6"2"BrassSteelSteel4380A33000004380A550000
    5/8"6 1/4"2"BrassSteelSteel4380A34000004380A560000
    11/16"6 1/4"2"BrassSteelSteel4380A62000004380A6500000
    3/4"6 1/4"2"BrassSteelSteel4380A36000004380A5700000
    7/8"6 1/4"2"BrassSteelSteel4380A37000004380A5800000
    1"6 1/4"2"BrassSteelSteel4380A39000004380A5900000
    1 1/8"7 1/2"2 1/2"BrassSteelSteel4380A63000004380A6600000
     

    Small-Hole Laps

    Image of Product. Front orientation. Laps. Small-Hole Laps.
    Image of Product. Lap with Expander. Front orientation. ZoomedIn view. Expander Tool. Small-Hole Laps.

    Lap with Expander

    For holes up to 1/4", these laps include an expander tool to increase the size to fit a slightly larger ID. Use them with lapping paste to precisely size or polish the inside of the hole.
    For
    ID
    Overall
    Lg.
    Barrel
    Lg.
    Material
    Includes
    Pkg.
    Qty.
    Pkg.
    For Through Holes
    0.032"2 1/2"3/8"SteelExpander Tool124545A1100000
    0.036"2 1/2"3/8"SteelExpander Tool124545A120000
    0.04"2 1/2"3/8"SteelExpander Tool124545A130000
    0.046"2 1/2"3/8"SteelExpander Tool124545A140000
    0.054"2 1/2"3/8"SteelExpander Tool124545A150000
    0.062"3"1/2"SteelExpander Tool124545A160000
    0.07"3"1/2"SteelExpander Tool124545A170000
    0.079"3"1/2"SteelExpander Tool124545A180000
    0.09"3"1/2"SteelExpander Tool124545A1900000
    0.104"3 1/4"5/8"SteelExpander Tool124545A2100000
    0.12"3 7/8"7/8"SteelExpander Tool124545A2200000
    0.135"3 1/4"3/4"SteelExpander Tool124545A2300000
    0.155"3 1/4"1"SteelExpander Tool124545A2400000
    0.17"4 1/4"1"SteelExpander Tool124545A2500000
    0.187"4"7/8"SteelExpander Tool124545A2600000
    0.218"4 1/8"1 1/4"SteelExpander Tool124545A2700000
    0.25"4"1 1/2"SteelExpander Tool124545A2800000
     

    Small-Hole Lap Sets

    Image of Product. Front orientation. Laps. Small-Hole Lap Sets.
    For holes up to 1/4", these laps include an expander tool to increase the size to fit a slightly larger ID. Use them with lapping paste to precisely size or polish the inside of the hole.
    No. of
    Pieces
    Includes
    Material
    Each
    For Through Holes
    18Lap for 0.032" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg.
    Lap for 0.036" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg.
    Lap for 0.04" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg.
    Lap for 0.046" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg.
    Lap for 0.054" ID—2 1/2" O'all Lg. × 3/8" Barrel Lg.
    Lap for 0.062" ID—3" O'all Lg. × 1/2" Barrel Lg.
    Lap for 0.07" ID—3" O'all Lg. × 1/2" Barrel Lg.
    Lap for 0.079" ID—3" O'all Lg. × 1/2" Barrel Lg.
    Lap for 0.09" ID—3" O'all Lg. × 1/2" Barrel Lg.
    Lap for 0.104" ID—3 1/4" O'all Lg. × 5/8" Barrel Lg.
    Lap for 0.12" ID—3 7/8" O'all Lg. × 7/8" Barrel Lg.
    Lap for 0.135" ID—3 1/4" O'all Lg. × 3/4" Barrel Lg.
    Lap for 0.155" ID—3 1/4" O'all Lg. × 1" Barrel Lg.
    Lap for 0.17" ID—4 1/4" O'all Lg. × 1" Barrel Lg.
    Lap for 0.187" ID—4" O'all Lg. × 7/8" Barrel Lg.
    Lap for 0.218" ID—4 1/8" O'all Lg. × 1 1/4" Barrel Lg.
    Lap for 0.25" ID—4" O'all Lg. × 1 1/2" Barrel Lg.
    Expander Tool    		Steel4545A29000000
     
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