Clear All
Material Material |
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System of Measurement System of Measurement |
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Head Type Head Type |
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 | Socket |
Socket Head Profile Socket Head Profile |
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 | Standard |
Drive Style Drive Style |
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Thread Direction Thread Direction |
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Head Texture Head Texture |
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 | Knurled |
Thread Fit Thread Fit |
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Minimum Shear Strength Minimum Shear Strength |
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Thread Type Thread Type |
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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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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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Thread Spacing Thread Spacing |
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Tensile Strength Tensile Strength |
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About Shoulder Screws
More
Aluminum Shoulder Screws
One-third the weight of steel, aluminum shoulder screws are lightweight and have good corrosion resistance. A standard shoulder with an undersized tolerance allows them to fit most machinery and equipment. They’re often used to guide or align components, and as an axle or pivot point.
For technical drawings and 3-D models, click on a part number.
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| Shoulder Lg. | Thread Size | Thread Lg. | Head Dia. | Head Ht. | Tensile Strength, psi | Drive Size | Specifications Met | 1-4 | 5-Up | |
1/8" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 1/8" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | __ | 000000000 | 00000 | 00000 |
| 3/16" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | __ | 000000000 | 0000 | 0000 |
| 1/4" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | __ | 000000000 | 0000 | 0000 |
| 5/16" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | __ | 000000000 | 0000 | 0000 |
| 3/8" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | __ | 000000000 | 0000 | 0000 |
| 1/2" | 4-40 | 5/32" | 1/4" | 1/8" | 40,000 | 5/64" | __ | 000000000 | 0000 | 0000 |
3/16" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 1/8" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
| 3/16" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
| 1/4" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
| 5/16" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
| 3/8" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
| 1/2" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
| 3/4" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
| 1" | 8-32 | 3/16" | 5/16" | 5/32" | 40,000 | 3/32" | __ | 000000000 | 0000 | 0000 |
1/4" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 1/4" | 10-24 | 3/8" | 3/8" | 3/16" | 40,000 | 1/8" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 3/8" | 10-24 | 3/8" | 3/8" | 3/16" | 40,000 | 1/8" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 1/2" | 10-24 | 3/8" | 3/8" | 3/16" | 40,000 | 1/8" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 3/4" | 10-24 | 3/8" | 3/8" | 3/16" | 40,000 | 1/8" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 1" | 10-24 | 3/8" | 3/8" | 3/16" | 40,000 | 1/8" | ASME B18.3 | 000000000 | 0000 | 0000 |