Material Material |
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Finish Finish |
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Shaft Type Shaft Type |
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 | Grooved |
End Shape End Shape |
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 | Chamfered |
Pin Type Pin Type |
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 | Dowel |
Head Type Head Type |
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 | Plain |
End Type End Type |
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 | Plain |
Breaking Strength Breaking Strength |
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Tolerance Rating Tolerance Rating |
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Minimum Hardness Minimum Hardness |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement)  |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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Passivation Passivation |
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Full-Groove Dowel Pins
Grooves run the full length of these pins for a firm hold that won't spin. Use them in place of standard dowel, spring, and taper pins to fasten parts. The three grooves pinch shut when pressed into a hole, creating tension to lock pins in place. For the best fit, the hole should be equal to or slightly larger than the diameter shown. The ends are chamfered for easy insertion. Breaking strength is measured as double shear, which is the force required to break a pin into three pieces. Also known as type A pins.
Pins with tapered grooves are easier to install than pins with parallel grooves, but more likely to loosen from vibration. Pins that meet ISO 8744 comply with international standards for tapered-groove metric dowel pins.
Pins with parallel grooves fit more tightly than pins with tapered grooves, so they’re less likely to loosen from vibration. However, they require more force to insert. Pins that meet ISO 8740 comply with international standards for parallel-groove metric dowel pins.
Zinc-plated steel pins have good strength and some corrosion resistance.
18-8 stainless steel pins offer a balance of strength and corrosion resistance. They may be mildly magnetic. Pins are passivated for added protection against corrosion and oxidation.
For technical drawings and 3-D models, click on a part number.
Zinc-Plated 12L14 Carbon Steel
| Lg. | Dia. (A) | Dia. (A) Tolerance | Dia. (B) | Dia. (B) Tolerance | Breaking Strength, lbs. | Groove Style | Pkg. Qty. | Pkg. | |
3/32" Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4" | 0.094" | -0.002" to 0" | 0.101" | -0.003" to 0.003" | 850 | Tapered | 25 | 000000000 | 000000 |
| 1/2" | 0.094" | -0.002" to 0" | 0.101" | -0.003" to 0.003" | 850 | Tapered | 25 | 000000000 | 00000 |
1/8" Dia. | |||||||||
| 1/2" | 0.125" | -0.002" to 0" | 0.134" | -0.003" to 0.003" | 1,600 | Tapered | 25 | 000000000 | 00000 |
| 3/4" | 0.125" | -0.002" to 0" | 0.134" | -0.003" to 0.003" | 1,600 | Tapered | 25 | 000000000 | 00000 |
| 1" | 0.125" | -0.002" to 0" | 0.133" | -0.003" to 0.003" | 1,600 | Tapered | 25 | 000000000 | 00000 |
5/32" Dia. | |||||||||
| 1/2" | 0.156" | -0.002" to 0" | 0.166" | -0.003" to 0.003" | 2,300 | Tapered | 25 | 000000000 | 00000 |
| 3/4" | 0.156" | -0.002" to 0" | 0.166" | -0.003" to 0.003" | 2,300 | Tapered | 25 | 000000000 | 00000 |
| 1" | 0.156" | -0.002" to 0" | 0.165" | -0.003" to 0.003" | 2,300 | Tapered | 25 | 000000000 | 00000 |
3/16" Dia. | |||||||||
| 1/2" | 0.188" | -0.002" to 0" | 0.198" | -0.003" to 0.003" | 3,300 | Tapered | 25 | 000000000 | 00000 |
| 3/4" | 0.188" | -0.002" to 0" | 0.198" | -0.003" to 0.003" | 3,300 | Tapered | 25 | 000000000 | 00000 |
| 1" | 0.188" | -0.002" to 0" | 0.198" | -0.003" to 0.003" | 3,300 | Tapered | 10 | 000000000 | 0000 |
| 1 1/2" | 0.188" | -0.002" to 0" | 0.197" | -0.003" to 0.003" | 3,300 | Tapered | 10 | 000000000 | 00000 |
1/4" Dia. | |||||||||
| 3/4" | 0.25" | -0.002" to 0" | 0.263" | -0.003" to 0.003" | 5,800 | Tapered | 25 | 000000000 | 00000 |
| 1" | 0.25" | -0.002" to 0" | 0.263" | -0.003" to 0.003" | 5,800 | Tapered | 25 | 000000000 | 00000 |
| 1 1/4" | 0.25" | -0.002" to 0" | 0.263" | -0.003" to 0.003" | 5,800 | Tapered | 10 | 000000000 | 0000 |
| 1 1/2" | 0.25" | -0.002" to 0" | 0.262" | -0.003" to 0.003" | 5,800 | Tapered | 10 | 000000000 | 0000 |
5/16" Dia. | |||||||||
| 3/4" | 0.313" | -0.002" to 0" | 0.329" | -0.003" to 0.003" | 7,600 | Tapered | 10 | 000000000 | 0000 |
| 1" | 0.313" | -0.002" to 0" | 0.329" | -0.003" to 0.003" | 7,600 | Tapered | 10 | 000000000 | 0000 |
| 1 1/4" | 0.313" | -0.002" to 0" | 0.329" | -0.003" to 0.003" | 7,600 | Tapered | 10 | 000000000 | 0000 |
3/8" Dia. | |||||||||
| 1" | 0.375" | -0.002" to 0" | 0.394" | -0.003" to 0.003" | 11,000 | Tapered | 10 | 000000000 | 00000 |
18-8 Stainless Steel
| Lg. | Dia. (A) | Dia. (A) Tolerance | Dia. (B) | Dia. (B) Tolerance | Breaking Strength | Groove Style | Pkg. Qty. | Pkg. | |
3/32" Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1/4" | 0.094" | -0.002" to 0" | 0.101" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 00000 |
| 1/2" | 0.094" | -0.002" to 0" | 0.101" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 0000 |
1/8" Dia. | |||||||||
| 1/2" | 0.125" | -0.002" to 0" | 0.134" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 0000 |
| 3/4" | 0.125" | -0.002" to 0" | 0.134" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 00000 |
| 1" | 0.125" | -0.002" to 0" | 0.133" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 00000 |
5/32" Dia. | |||||||||
| 1/2" | 0.156" | -0.002" to 0" | 0.166" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 00000 |
| 3/4" | 0.156" | -0.002" to 0" | 0.166" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 00000 |
| 1" | 0.156" | -0.002" to 0" | 0.165" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 00000 |
3/16" Dia. | |||||||||
| 1/2" | 0.188" | -0.002" to 0" | 0.198" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 00000 |
| 3/4" | 0.188" | -0.002" to 0" | 0.198" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 00000 |
| 1" | 0.188" | -0.002" to 0" | 0.198" | -0.003" to 0.003" | Not Rated | Tapered | 10 | 000000000 | 00000 |
| 1 1/2" | 0.188" | -0.002" to 0" | 0.197" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 0000 |
1/4" Dia. | |||||||||
| 3/4" | 0.25" | -0.002" to 0" | 0.263" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 0000 |
| 1" | 0.25" | -0.002" to 0" | 0.263" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 0000 |
| 1 1/4" | 0.25" | -0.002" to 0" | 0.263" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 0000 |
| 1 1/2" | 0.25" | -0.002" to 0" | 0.262" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 00000 |
5/16" Dia. | |||||||||
| 1" | 0.313" | -0.002" to 0" | 0.329" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 00000 |
| 1 1/4" | 0.313" | -0.002" to 0" | 0.329" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 00000 |
3/8" Dia. | |||||||||
| 1" | 0.375" | -0.002" to 0" | 0.394" | -0.003" to 0.003" | Not Rated | Tapered | 5 | 000000000 | 0000 |
Metric Zinc-Plated 12L13 Carbon Steel
| Lg., mm | Dia. (A), mm | Dia. (A) Tolerance, mm | Dia. (B), mm | Dia. (B) Tolerance, mm | Breaking Strength, lbs. | Groove Style | Specifications Met | Pkg. Qty. | Pkg. | |
2 mm Dia. | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 14 | 2 | 0 to -0.025 | 2.15 | 0 to 0.05 | 600 | Parallel | ISO 8740 | 10 | 00000000 | 00000 |
| 14 | 2 | 0 to -0.025 | 2.15 | 0 to 0.05 | 600 | Tapered | ISO 8744 | 10 | 00000000 | 0000 |
| 16 | 2 | 0 to -0.025 | 2.15 | 0 to 0.05 | 600 | Parallel | ISO 8740 | 10 | 00000000 | 0000 |
2.5 mm Dia. | ||||||||||
| 12 | 2.5 | 0 to -0.025 | 2.7 | -0.05 to 0.05 | 950 | Tapered | ISO 8744 | 10 | 00000000 | 0000 |
| 18 | 2.5 | 0 to -0.025 | 2.65 | -0.05 to 0.05 | 950 | Tapered | ISO 8744 | 10 | 00000000 | 0000 |
| 20 | 2.5 | 0 to -0.025 | 2.65 | -0.05 to 0.05 | 950 | Tapered | ISO 8744 | 10 | 00000000 | 0000 |
3 mm Dia. | ||||||||||
| 12 | 3 | 0 to -0.025 | 3.2 | -0.05 to 0.05 | 1,400 | Parallel | ISO 8740 | 10 | 00000000 | 0000 |
| 12 | 3 | 0 to -0.025 | 3.3 | -0.05 to 0.05 | 1,400 | Tapered | ISO 8744 | 10 | 00000000 | 0000 |
4 mm Dia. | ||||||||||
| 10 | 4 | 0 to -0.075 | 4.3 | -0.05 to 0.05 | 1,400 | Tapered | ISO 8744 | 10 | 00000000 | 0000 |
| 18 | 4 | 0 to -0.075 | 4.35 | -0.05 to 0.05 | 1,400 | Tapered | ISO 8744 | 10 | 00000000 | 0000 |
| 20 | 4 | 0 to -0.075 | 4.25 | -0.05 to 0.05 | 2,500 | Parallel | ISO 8740 | 10 | 00000000 | 0000 |
| 26 | 4 | 0 to -0.075 | 4.25 | -0.05 to 0.05 | 2,500 | Parallel | ISO 8740 | 10 | 00000000 | 0000 |
| 30 | 4 | 0 to -0.075 | 4.25 | -0.05 to 0.05 | 2,500 | Parallel | ISO 8740 | 10 | 00000000 | 0000 |
5 mm Dia. | ||||||||||
| 16 | 5 | 0 to -0.075 | 5.25 | -0.05 to 0.05 | 3,900 | Parallel | ISO 8740 | 10 | 00000000 | 0000 |
| 45 | 5 | 0 to -0.075 | 5.25 | -0.05 to 0.05 | 3,900 | Tapered | ISO 8744 | 10 | 00000000 | 00000 |
6 mm Dia. | ||||||||||
| 20 | 6 | 0 to -0.075 | 6.3 | -0.05 to 0.05 | 5,700 | Parallel | ISO 8740 | 10 | 00000000 | 00000 |