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    73 Products

    Fully Grooved Dowel Pins

    With a tighter fit than standard dowel pins, these resist pulling from movement and vibration, even in imperfect holes. Three grooves pinch shut when installed, creating tension to lock in place. Also known as Type A pins.
    For the best fit, drill your hole slightly larger than the nominal diameter shown.
    Steel
    Image of Product. Front orientation. Dowel Pins. Plain Head, Standard Tolerance, Fully Grooved, Parallel Groove.
    Image of Product. Front orientation. Dowel Pins. Plain Head, Standard Tolerance, Fully Grooved, Tapered Groove.

    Parallel Groove

    Tapered Groove

    Zinc-Plated Carbon Steel—These pins withstand occasional exposure to moisture. However, since friction from moving parts can wear away the finish, they're not ideal for wet environments. While not nearly as corrosion resistant as stainless steel, they are stronger and won’t deform under stress.
    Parallel Groove—Fit tighter than pins with tapered grooves to stay in place under severe vibration. However, they require more force to insert.
    Tapered Groove—Easier to install than pins with parallel grooves but less secure in high-vibration applications.
    Material Certificate—Pins include a report with a traceable lot number and a description of their chemical, physical, and mechanical properties.
    Nominal
    Max.
    Lg.
    Dia.
    Dia. Tolerance
    Dia.
    Dia. Tolerance
    Groove
    Type
    Double Shear Breaking
    Strength, lbf
    Min.
    Hardness
    Specs.
    Met
    Certificate Type
    Pkg.
    Qty.
    Pkg.
    Zinc-Plated Carbon Steel
     
    3/32" Diameter
    1/4"0.094"-0.002" to 0"0.101"-0.003" to 0.003"Tapered850Not Rated——2598400A110000000
    1/2"0.094"-0.002" to 0"0.101"-0.003" to 0.003"Tapered850Not Rated——2598400A11100000
     
    1/8" Diameter
    1/2"0.125"-0.002" to 0"0.134"-0.003" to 0.003"Tapered1,600Not Rated——2598400A11200000
    3/4"0.125"-0.002" to 0"0.134"-0.003" to 0.003"Tapered1,600Not Rated——2598400A11300000
    1"0.125"-0.002" to 0"0.133"-0.003" to 0.003"Tapered1,600Not Rated——2598400A11400000
     
    5/32" Diameter
    1/2"0.156"-0.002" to 0"0.166"-0.003" to 0.003"Tapered2,300Not Rated——2598400A11500000
    3/4"0.156"-0.002" to 0"0.166"-0.003" to 0.003"Tapered2,300Not Rated——2598400A11600000
    1"0.156"-0.002" to 0"0.165"-0.003" to 0.003"Tapered2,300Not Rated——2598400A11700000
     
    3/16" Diameter
    1/2"0.188"-0.002" to 0"0.198"-0.003" to 0.003"Tapered3,300Not Rated——2598400A11800000
    3/4"0.188"-0.002" to 0"0.198"-0.003" to 0.003"Tapered3,300Not Rated——2598400A11900000
    1"0.188"-0.002" to 0"0.198"-0.003" to 0.003"Tapered3,300Not Rated——1098400A1200000
    1 1/2"0.188"-0.002" to 0"0.197"-0.003" to 0.003"Tapered3,300Not Rated——1098400A13900000
     
    1/4" Diameter
    3/4"0.25"-0.002" to 0"0.263"-0.003" to 0.003"Tapered5,800Not Rated——2598400A12100000
    1"0.25"-0.002" to 0"0.263"-0.003" to 0.003"Tapered5,800Not Rated——2598400A12200000
    1 1/4"0.25"-0.002" to 0"0.263"-0.003" to 0.003"Tapered5,800Not Rated—Material Certificate
    		1098400A1230000
    1 1/2"0.25"-0.002" to 0"0.262"-0.003" to 0.003"Tapered5,800Not Rated——1098400A14300000
     
    5/16" Diameter
    3/4"0.313"-0.002" to 0"0.329"-0.003" to 0.003"Tapered7,600Not Rated——1098400A1240000
    1"0.313"-0.002" to 0"0.329"-0.003" to 0.003"Tapered7,600Not Rated——1098400A1250000
    1 1/4"0.313"-0.002" to 0"0.329"-0.003" to 0.003"Tapered7,600Not Rated——1098400A1260000
     
    3/8" Diameter
    1"0.375"-0.002" to 0"0.394"-0.003" to 0.003"Tapered11,000Not Rated——1098400A12700000
     
    2 mm Diameter
    14 mm2 mm-0.025 mm to 0 mm2.15 mm0 mm to 0.05 mmParallel600Rockwell B68ISO 8740—105429N1110000
    14 mm2 mm-0.025 mm to 0 mm2.15 mm0 mm to 0.05 mmTapered600Rockwell B68ISO 8744—105429N1120000
    16 mm2 mm-0.025 mm to 0 mm2.15 mm0 mm to 0.05 mmParallel600Rockwell B68ISO 8740—105429N1130000
     
    2.5 mm Diameter
    12 mm2.5 mm-0.025 mm to 0 mm2.7 mm-0.05 mm to 0.05 mmTapered950Rockwell B68ISO 8744—105429N1140000
    18 mm2.5 mm-0.025 mm to 0 mm2.65 mm-0.05 mm to 0.05 mmTapered950Rockwell B68ISO 8744—105429N1150000
    20 mm2.5 mm-0.025 mm to 0 mm2.65 mm-0.05 mm to 0.05 mmTapered950Rockwell B68ISO 8744—105429N1160000
     
    3 mm Diameter
    12 mm3 mm-0.025 mm to 0 mm3.2 mm-0.05 mm to 0.05 mmParallel1,400Rockwell B68ISO 8740Material Certificate
    		105429N1180000
    12 mm3 mm-0.025 mm to 0 mm3.3 mm-0.05 mm to 0.05 mmTapered1,400Rockwell B68ISO 8744—105429N1190000
     
    4 mm Diameter
    10 mm4 mm-0.075 mm to 0 mm4.3 mm-0.05 mm to 0.05 mmTapered1,400Rockwell B68ISO 8744—105429N1210000
    18 mm4 mm-0.075 mm to 0 mm4.35 mm-0.05 mm to 0.05 mmTapered1,400Rockwell B68ISO 8744—105429N1220000
    20 mm4 mm-0.075 mm to 0 mm4.25 mm-0.05 mm to 0.05 mmParallel2,500Rockwell B68ISO 8740—105429N1230000
    26 mm4 mm-0.075 mm to 0 mm4.25 mm-0.05 mm to 0.05 mmParallel2,500Rockwell B68ISO 8740—105429N1250000
    30 mm4 mm-0.075 mm to 0 mm4.25 mm-0.05 mm to 0.05 mmParallel2,500Rockwell B68ISO 8740—105429N1260000
     
    5 mm Diameter
    16 mm5 mm-0.075 mm to 0 mm5.25 mm-0.05 mm to 0.05 mmParallel3,900Rockwell B68ISO 8740—105429N1270000
    45 mm5 mm-0.075 mm to 0 mm5.25 mm-0.05 mm to 0.05 mmTapered3,900Rockwell B68ISO 8744—105429N12800000
     
    6 mm Diameter
    20 mm6 mm-0.075 mm to 0 mm6.3 mm-0.05 mm to 0.05 mmParallel5,700Rockwell B68ISO 8740—105429N13300000
     
    Corrosion-Resistant Stainless SteelAbout Corrosion-Resistant Stainless Steel
    Image of Product. Front orientation. Dowel Pins. Plain Head, Standard Tolerance, Fully Grooved, Tapered Groove.

    Tapered Groove

    18-8 Stainless Steel—The choice for wet and outdoor environments. In addition to resisting rust, these pins also withstand mild chemicals such as cleaners and degreasers. They are strong enough to join most components but won't withstand extreme stress and vibration as well as steel.
    Tapered Groove—Easier to install than pins with parallel grooves but less secure in high-vibration applications.
    Nominal
    Max.
    Lg.
    Dia.
    Dia.
    Tolerance
    Dia.
    Dia. Tolerance
    Groove
    Type
    Double Shear Breaking
    Strength
    Min.
    Hardness
    Pkg.
    Qty.
    Pkg.
    18-8 Stainless Steel
     
    3/32" Diameter
    1/4"0.094"-0.002" to 0"0.101"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A60000000
    1/2"0.094"-0.002" to 0"0.101"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A60100000
     
    1/8" Diameter
    1/2"0.125"-0.002" to 0"0.134"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A60200000
    3/4"0.125"-0.002" to 0"0.134"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A60300000
    1"0.125"-0.002" to 0"0.133"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A60400000
     
    5/32" Diameter
    1/2"0.156"-0.002" to 0"0.166"-0.003" to 0.003"TaperedNot RatedNot Rated598400A60500000
    3/4"0.156"-0.002" to 0"0.166"-0.003" to 0.003"TaperedNot RatedNot Rated598400A60600000
    1"0.156"-0.002" to 0"0.165"-0.003" to 0.003"TaperedNot RatedNot Rated598400A60700000
     
    3/16" Diameter
    1/2"0.188"-0.002" to 0"0.198"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A60800000
    3/4"0.188"-0.002" to 0"0.198"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A60900000
    1"0.188"-0.002" to 0"0.198"-0.003" to 0.003"TaperedNot RatedNot Rated1098400A61000000
    1 1/2"0.188"-0.002" to 0"0.197"-0.003" to 0.003"TaperedNot RatedNot Rated598400A6110000
     
    1/4" Diameter
    3/4"0.25"-0.002" to 0"0.263"-0.003" to 0.003"TaperedNot RatedNot Rated598400A6120000
    1"0.25"-0.002" to 0"0.263"-0.003" to 0.003"TaperedNot RatedNot Rated598400A61300000
    1 1/4"0.25"-0.002" to 0"0.263"-0.003" to 0.003"TaperedNot RatedNot Rated598400A61400000
    1 1/2"0.25"-0.002" to 0"0.262"-0.003" to 0.003"TaperedNot RatedNot Rated598400A61500000
     
    5/16" Diameter
    1"0.313"-0.002" to 0"0.329"-0.003" to 0.003"TaperedNot RatedNot Rated598400A61700000
    1 1/4"0.313"-0.002" to 0"0.329"-0.003" to 0.003"TaperedNot RatedNot Rated598400A61800000
     
    3/8" Diameter
    1"0.375"-0.002" to 0"0.394"-0.003" to 0.003"TaperedNot RatedNot Rated598400A6190000
     

    Fully Grooved Dowel Pins with Rounded Head

    The domed head creates a finished appearance, so these pins are often used to attach brackets, knobs, and machine plates. The grooves pinch shut when you press pins into a hole, creating tension to lock them in place.
    For the best fit, drill your hole slightly larger than the nominal diameter shown.
    Steel
    Image of Product. Front orientation. Dowel Pins. Rounded Head, Standard Tolerance, Fully Grooved.
    Zinc-Plated Carbon Steel—These pins withstand occasional exposure to moisture. However, since friction from moving parts can wear away the finish, they're not ideal for wet environments. While not nearly as corrosion resistant as stainless steel, they are stronger and won’t deform under stress.
    Parallel Groove—Fit tighter than pins with tapered grooves to stay in place under severe vibration. However, they require more force to insert.
    Nominal
    Max.
    Head
    Lg.
    Dia.
    Dia.
    Tolerance
    Dia.
    Dia. Tolerance
    Groove
    Type
    Double Shear Breaking
    Strength
    Min.
    Hardness
    Dia.
    Ht.
    Specs. Met
    Each
    Zinc-Plated Carbon Steel
    1/4"0.086"-0.002" to 0"0.096"-0.002" to 0.002"ParallelNot RatedNot Rated0.154"0.065"ASME B18.8.298108A11000000
    1/4"0.104"-0.002" to 0"0.113"-0.002" to 0.002"ParallelNot RatedNot Rated0.202"0.08"ASME B18.8.298108A1400000
    3/8"0.086"-0.002" to 0"0.096"-0.002" to 0.002"ParallelNot RatedNot Rated0.154"0.065"ASME B18.8.298108A1200000
    3/8"0.104"-0.002" to 0"0.113"-0.002" to 0.002"ParallelNot RatedNot Rated0.202"0.08"ASME B18.8.298108A1500000
    3/8"0.12"-0.002" to 0"0.13"-0.002" to 0.002"ParallelNot RatedNot Rated0.25"0.097"ASME B18.8.298108A1700000
    3/8"0.144"-0.002" to 0"0.153"-0.002" to 0.002"ParallelNot RatedNot Rated0.298"0.113"ASME B18.8.298108A2100000
    1/2"0.086"-0.002" to 0"0.096"-0.002" to 0.002"ParallelNot RatedNot Rated0.154"0.065"ASME B18.8.298108A1300000
    1/2"0.104"-0.002" to 0"0.113"-0.002" to 0.002"ParallelNot RatedNot Rated0.202"0.08"ASME B18.8.298108A1600000
    1/2"0.12"-0.002" to 0"0.13"-0.002" to 0.002"ParallelNot RatedNot Rated0.25"0.097"ASME B18.8.298108A1800000
    1/2"0.144"-0.002" to 0"0.155"-0.002" to 0.002"ParallelNot RatedNot Rated0.298"0.113"ASME B18.8.298108A2200000
    1/2"0.161"-0.002" to 0"0.171"-0.002" to 0.002"ParallelNot RatedNot Rated0.347"0.13"ASME B18.8.298108A2400000
    1/2"0.196"-0.002" to 0"0.206"-0.002" to 0.002"ParallelNot RatedNot Rated0.395"0.146"ASME B18.8.298108A2700000
    5/8"0.12"-0.002" to 0"0.13"-0.002" to 0.002"ParallelNot RatedNot Rated0.25"0.097"ASME B18.8.298108A1900000
    5/8"0.144"-0.002" to 0"0.155"-0.002" to 0.002"ParallelNot RatedNot Rated0.298"0.113"ASME B18.8.298108A2300000
    3/4"0.161"-0.002" to 0"0.171"-0.002" to 0.002"ParallelNot RatedNot Rated0.347"0.13"ASME B18.8.298108A2500000
    3/4"0.196"-0.002" to 0"0.201"-0.002" to 0.002"ParallelNot RatedNot Rated0.395"0.146"ASME B18.8.298108A2800000
    1"0.161"-0.002" to 0"0.171"-0.002" to 0.002"ParallelNot RatedNot Rated0.347"0.13"ASME B18.8.298108A2600000
    1"0.196"-0.002" to 0"0.201"-0.002" to 0.002"ParallelNot RatedNot Rated0.395"0.146"ASME B18.8.298108A2900000
     
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