Pin Number Pin Number |
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System of Measurement System of Measurement |
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Material Material |
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Head Type Head Type |
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 | Threaded |
Pin Type Pin Type |
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 | Taper |
Shaft Type Shaft Type |
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 | Tapered |
Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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End Shape End Shape |
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 | Rounded |
Thread Length Thread Length |
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Minimum Hardness Minimum Hardness |
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Rate of Taper Rate of Taper |
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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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Breaking Strength Breaking Strength |
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End Type End Type |
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 | Plain |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Passivation Passivation |
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Threaded Taper Pins
Threads on these pins stick out for easy removal from blind holes. Tighten the hex nut to draw the pin out. Often used for positioning components and securing assemblies, they taper at a uniform rate to fit in tapered holes. For a snug fit, use a tapered drill bit that matches the pin number for inch sizes or the small end diameter for metric sizes. They have slightly rounded edges to aid insertion.
Breaking strength is measured as single shear, which is the force required to break the pin into two pieces.
Steel pins have good strength. Pins that meet ASME B18.8.2 specifications conform to ASME standards for material and dimensions.
18-8 stainless steel pins offer a balance of strength and corrosion resistance. They may be mildly magnetic.
Length for inch pins measures the unthreaded length of the pin.
For technical drawings and 3-D models, click on a part number.
| Lg. | Small End Dia. | Rate of Taper | Thread Lg. | Thread Size | Min. Hardness | Breaking Strength, lbs./sq. in. | Pkg. Qty. | Pkg. | |
Pin Number 8—0.492" Large End Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 3/4" | 0.456" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 00000 |
| 2" | 0.45" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| 2 1/2" | 0.44" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| 3" | 0.43" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| 3 1/2" | 0.419" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| 4" | 0.409" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| 4 1/2" | 0.398" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| 5" | 0.388" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| 6" | 0.367" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B85 | 46,500 | 1 | 000000000 | 0000 |
| Lg. | Small End Dia. | Rate of Taper | Thread Lg. | Thread Size | Min. Hardness | Breaking Strength, lbs./sq. in. | Pkg. Qty. | Pkg. | |
Pin Number 8—0.492" Large End Dia. | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 3/4" | 0.456" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |
| 2" | 0.45" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 0000 |
| 2 1/2" | 0.44" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |
| 3" | 0.43" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |
| 3 1/2" | 0.419" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |
| 4" | 0.409" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |
| 4 1/2" | 0.398" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |
| 5" | 0.388" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |
| 6" | 0.367" | 1/4" per 12" | 5/8" | 7/16"-20 | Rockwell B90 | 54,000 | 1 | 000000000 | 00000 |