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About Hex Head Screws and Bolts
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Choose a hex head fastener with the right threading, thread size, material, and strength for your equipment.
Super-Corrosion-Resistant 400 Nickel Hex Head Screws
Fully Threaded
Partially Threaded
More corrosion resistant than 316 stainless steel, these nickel alloy screws have excellent resistance to salt water and some acids. Also known as Monel screws. Material meets ASTM F468 and MIL-S-1222 specifications for quality. Length is measured from under the head.
Head | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Lg. | Threading | Min. Thread Lg. | Thread Spacing  | Wd. | Ht. | Tensile Strength, psi | Specifications Met | Each | |
1/4"-20 | |||||||||
| 1/2" | Fully Threaded | __ | Coarse | 7/16" | 5/32" | 80,000 | ASTM F468, MIL-S-1222 | 90780A538 | 00000 |
| 3/4" | Fully Threaded | __ | Coarse | 7/16" | 5/32" | 80,000 | ASTM F468, MIL-S-1222 | 90780A540 | 0000 |
| 1" | Fully Threaded | __ | Coarse | 7/16" | 5/32" | 80,000 | ASTM F468, MIL-S-1222 | 90780A542 | 0000 |
| 1 1/2" | Partially Threaded | 3/4" | Coarse | 7/16" | 5/32" | 80,000 | ASTM F468, MIL-S-1222 | 90780A546 | 0000 |
| 2" | Partially Threaded | 3/4" | Coarse | 7/16" | 5/32" | 80,000 | ASTM F468, MIL-S-1222 | 90780A548 | 0000 |
5/16"-18 | |||||||||
| 3/4" | Fully Threaded | __ | Coarse | 1/2" | 13/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A580 | 0000 |
| 1" | Fully Threaded | __ | Coarse | 1/2" | 13/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A583 | 0000 |
| 1 1/2" | Partially Threaded | 7/8" | Coarse | 1/2" | 13/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A587 | 0000 |
| 2" | Partially Threaded | 7/8" | Coarse | 1/2" | 13/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A589 | 00000 |
3/8"-16 | |||||||||
| 1" | Fully Threaded | __ | Coarse | 9/16" | 15/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A624 | 0000 |
| 1 1/4" | Fully Threaded | __ | Coarse | 9/16" | 15/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A626 | 0000 |
| 1 1/2" | Partially Threaded | 1" | Coarse | 9/16" | 15/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A628 | 00000 |
| 2" | Partially Threaded | 1" | Coarse | 9/16" | 15/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A630 | 00000 |
1/2"-13 | |||||||||
| 1 1/2" | Fully Threaded | __ | Coarse | 3/4" | 5/16" | 80,000 | ASTM F468, MIL-S-1222 | 90780A716 | 00000 |
| 2" | Partially Threaded | 1 1/4" | Coarse | 3/4" | 5/16" | 80,000 | ASTM F468, MIL-S-1222 | 90780A720 | 00000 |
| 2 1/2" | Partially Threaded | 1 1/4" | Coarse | 3/4" | 5/16" | 80,000 | ASTM F468, MIL-S-1222 | 90780A722 | 00000 |
| 3" | Partially Threaded | 1 1/4" | Coarse | 3/4" | 5/16" | 80,000 | ASTM F468, MIL-S-1222 | 90780A724 | 00000 |
5/8"-11 | |||||||||
| 2" | Fully Threaded | __ | Coarse | 15/16" | 25/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A805 | 00000 |
| 2 1/2" | Partially Threaded | 1 1/2" | Coarse | 15/16" | 25/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A809 | 00000 |
| 3" | Partially Threaded | 1 1/2" | Coarse | 15/16" | 25/64" | 80,000 | ASTM F468, MIL-S-1222 | 90780A813 | 00000 |