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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About Shoulder Screws
More
Internally Threaded Shoulders
Screw these shoulders onto a stud. They're often used to create a bearing surface, axle, or pivot point where a tapped hole is not available. Made from 18-8 stainless steel, they have good chemical resistance and may be mildly magnetic. They have a standard shoulder with an undersized tolerance to fit most machinery and equipment.
For technical drawings and 3-D models, click on a part number.
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| Shoulder Lg. | Thread Size | Thread Dp. | Head Dia. | Head Ht. | Material | Tensile Strength, psi | Threading | Drive Size | 1-4 | 5-Up | |
1/4" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | |||||||||||
| 1/2" | 4-40 | 1/4" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/8" | 000000000 | 00000 | 00000 |
| 3/4" | 4-40 | 1/4" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/8" | 000000000 | 0000 | 0000 |
| 1" | 4-40 | 1/4" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/8" | 000000000 | 0000 | 0000 |
| 1 1/4" | 4-40 | 1/4" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/8" | 000000000 | 0000 | 0000 |
| 1 1/2" | 4-40 | 1/4" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/8" | 000000000 | 0000 | 0000 |
| 2" | 4-40 | 1/4" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/8" | 000000000 | 00000 | 0000 |
5/16" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | |||||||||||
| 1/2" | 6-32 | 1/4" | 1/2" | 7/32" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 5/32" | 000000000 | 0000 | 0000 |
| 3/4" | 6-32 | 1/4" | 1/2" | 7/32" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 5/32" | 000000000 | 0000 | 0000 |
| 1" | 6-32 | 1/4" | 1/2" | 7/32" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 5/32" | 000000000 | 0000 | 0000 |
| 1 1/4" | 6-32 | 1/4" | 1/2" | 7/32" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 5/32" | 000000000 | 0000 | 0000 |
| 1 1/2" | 6-32 | 1/4" | 1/2" | 7/32" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 5/32" | 000000000 | 0000 | 0000 |
| 2" | 6-32 | 1/4" | 1/2" | 7/32" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 5/32" | 000000000 | 00000 | 0000 |
3/8" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | |||||||||||
| 1/2" | 8-32 | 1/4" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 3/16" | 000000000 | 0000 | 0000 |
| 3/4" | 8-32 | 1/4" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 3/16" | 000000000 | 0000 | 0000 |
| 1" | 8-32 | 1/4" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 3/16" | 000000000 | 0000 | 0000 |
| 1 1/4" | 8-32 | 1/4" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 3/16" | 000000000 | 0000 | 0000 |
| 1 1/2" | 8-32 | 1/4" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 3/16" | 000000000 | 00000 | 0000 |
| 2" | 8-32 | 1/4" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 3/16" | 000000000 | 00000 | 00000 |
1/2" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | |||||||||||
| 1/2" | 10-32 | 1/4" | 3/4" | 5/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/4" | 000000000 | 0000 | 0000 |
| 3/4" | 10-32 | 1/4" | 3/4" | 5/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/4" | 000000000 | 0000 | 0000 |
| 1" | 10-32 | 1/4" | 3/4" | 5/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/4" | 000000000 | 00000 | 0000 |
| 1 1/4" | 10-32 | 1/4" | 3/4" | 5/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/4" | 000000000 | 00000 | 00000 |
| 1 1/2" | 10-32 | 1/4" | 3/4" | 5/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/4" | 000000000 | 00000 | 00000 |
| 2" | 10-32 | 1/4" | 3/4" | 5/16" | 18-8 Stainless Steel | 70,000 | Partially Threaded | 1/4" | 000000000 | 00000 | 00000 |