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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Shoulder Fit Shoulder Fit |
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Thread Direction Thread Direction |
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Minimum Shear Strength Minimum Shear Strength |
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Tensile Strength Tensile Strength |
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Head Texture Head Texture |
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 | Knurled |
DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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Thread Type Thread Type |
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Thread Fit Thread Fit |
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Thread Spacing Thread Spacing |
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Specifications Met Specifications Met |
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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.
Each | ||||||||||
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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 |