System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Material Material |
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Head Type Head Type |
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 | Socket |
Socket Head Profile Socket Head Profile |
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Drive Style Drive Style |
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Head Texture Head Texture |
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 | Knurled |
Thread Spacing Thread Spacing |
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Shoulder Fit Shoulder Fit |
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Size Size |
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Thread Direction Thread Direction |
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Minimum Shear Strength Minimum Shear Strength |
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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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Tensile Strength Tensile Strength |
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Thread Fit Thread Fit |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Hardness Hardness |
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About Shoulder Screws
More
18-8 Stainless Steel Shoulder Screws
Made from 18-8 stainless steel, these shoulder screws have good chemical resistance and may be mildly magnetic. 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.
Black-oxide stainless steel screws have a matte-black finish.
For technical drawings and 3-D models, click on a part number.
Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 00000 | 00000 |
| 1/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 5/16" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 3/8" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 1/2" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 3/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 0000 | 0000 |
| 1" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 0000 | 0000 |
Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 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" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | ASME B18.3 | 000000000 | 00000 | 00000 |
For made-to-order shoulder screws, please specify the shoulder length in 0.01” increments.
Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Thread Size | Thread Lg. | Head Dia. | Head Ht. | Tensile Strength, psi | Drive Size | Choose a Shoulder Lg. | 1-4 | 5-9 | 10-Up | |
3/32" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 3-48 | 1/8" | 5/32" | 3/32" | 70,000 | 5/64" | 0.13"-1.99" | 000000000 | 000000 | 00000 | 00000 |
| 3-48 | 1/8" | 5/32" | 3/32" | 70,000 | 5/64" | 2"-3.99" | 000000000 | 00000 | 00000 | 0000 |
1/8" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 0.13"-1.99" | 000000000 | 00000 | 0000 | 0000 |
| 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 2"-3.99" | 000000000 | 00000 | 00000 | 0000 |
316 Stainless Steel Shoulder Screws
More corrosion resistant than 18-8 stainless steel shoulder screws, these have excellent resistance to chemicals and salt water. They may be mildly magnetic. 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.
Black-oxide stainless steel screws have a matte-black finish.
For technical drawings and 3-D models, click on a part number.
Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Shoulder Lg. | Thread Size | Thread Lg. | Head Dia. | Head Ht. | Tensile Strength, psi | Drive Size | 1-4 | 5-Up | |
1/8" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | |||||||||
| 1/8" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 00000 | 00000 |
| 5/32" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 5/16" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 3/8" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 1/2" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 0000 | 0000 |
| 3/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 00000 | 0000 |
| 1" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 00000 | 00000 |
| 1 1/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 00000 | 00000 |
| 1 1/2" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 000000000 | 00000 | 00000 |
Each | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Shoulder Lg. | Thread Size | Thread Lg. | Head Dia. | Head Ht. | Tensile Strength, psi | Drive Size | 1-4 | 5-Up | |
1/8" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | |||||||||
| 1/8" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 00000 |
| 5/32" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 0000 | 0000 |
| 1/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 0000 |
| 5/16" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 0000 |
| 3/8" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 00000 |
| 1/2" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 00000 |
| 3/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 00000 |
| 1" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 00000 |
| 1 1/4" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 00000 |
| 1 1/2" | 3-48 | 5/32" | 1/4" | 1/8" | 70,000 | 5/64" | 00000000 | 00000 | 00000 |