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About Shoulder Screws
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Stainless Steel Hex Head Shoulder Screws
Stainless steel shoulder screws have excellent corrosion resistance in most environments. Also known as wheel and axle bolts, these shoulder screws have a hex head that can be gripped with a wrench. A standard shoulder with an undersized tolerance allows them to fit most machinery and equipment.
For technical drawings and 3-D models, click on a part number.
Each | ||||||||
|---|---|---|---|---|---|---|---|---|
| Shoulder Lg. | Thread Size  | Thread Lg. | Head Wd. | Head Ht. | Tensile Strength, psi | 1-4 | 5-Up | |
3/8" Shoulder Dia.—Standard Fit (-0.004" to 0" Dia. Tolerance) | ||||||||
| 1 5/16" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 000000 | 000000 |
| 1 3/8" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 1 7/16" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 1 1/2" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 1 9/16" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 1 5/8" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 1 3/4" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 1 7/8" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 2" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 2 1/8" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 2 1/4" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
| 2 1/2" | 1/4"-20 | 3/4" | 5/8" | 3/16" | 70,000 | 000000000 | 00000 | 00000 |
1/2" Shoulder Dia.—Standard Fit (-0.004" to 0" Dia. Tolerance) | ||||||||
| 1 5/16" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 1 3/8" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 1 7/16" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 1 1/2" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 1 9/16" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 1 5/8" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 1 3/4" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 1 7/8" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 2" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 2 1/8" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 2 1/4" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |
| 2 1/2" | 3/8"-16 | 3/4" | 3/4" | 1/4" | 70,000 | 000000000 | 00000 | 00000 |