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About Shoulder Screws
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Shoulder Screws with Hex-Drive Tip
With a hex socket at the tip as well as the head, you can fasten these shoulder screws from the tip when the head cannot be reached. Made from 18-8 stainless steel, they 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.
Each | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Shoulder Lg. | Thread Size  | Thread Lg. | Head Dia. | Head Ht. | Material | Tensile Strength, psi | Drive Size | 1-4 | 5-Up | |
3/16" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 1/8" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 00000 | 00000 |
| 3/16" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 0000 | 0000 |
| 1/4" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 0000 | 0000 |
| 5/16" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 0000 | 0000 |
| 3/8" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 0000 | 0000 |
| 1/2" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 0000 | 0000 |
| 5/8" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 0000 | 0000 |
| 3/4" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 0000 | 0000 |
| 1" | 8-32 | 3/16" | 5/16" | 5/32" | 18-8 Stainless Steel | 70,000 | 0.050" | 000000000 | 00000 | 0000 |
1/4" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 1/4" | 10-24 | 3/8" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | 3/32" | 000000000 | 0000 | 0000 |
| 3/8" | 10-24 | 3/8" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | 3/32" | 000000000 | 0000 | 0000 |
| 1/2" | 10-24 | 3/8" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | 3/32" | 000000000 | 0000 | 0000 |
| 5/8" | 10-24 | 3/8" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | 3/32" | 000000000 | 00000 | 0000 |
| 3/4" | 10-24 | 3/8" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | 3/32" | 000000000 | 00000 | 0000 |
| 1" | 10-24 | 3/8" | 3/8" | 3/16" | 18-8 Stainless Steel | 70,000 | 3/32" | 000000000 | 00000 | 00000 |
5/16" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 1/4" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 0000 | 0000 |
| 3/8" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 00000 | 0000 |
| 1/2" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 00000 | 0000 |
| 3/4" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1" | 1/4"-20 | 7/16" | 7/16" | 7/32" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
3/8" Shoulder Dia.—Standard Fit (-0.004" to -0.002" Dia. Tolerance) | ||||||||||
| 1/2" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 00000 | 0000 |
| 3/4" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 00000 | 00000 |
| 1" | 5/16"-18 | 1/2" | 9/16" | 1/4" | 18-8 Stainless Steel | 70,000 | 1/8" | 000000000 | 00000 | 00000 |