Heavy Hex Jam Nuts, Zinc Plated Steel, 5/16"-18
Extra Thick Jam Nuts - Zinc Plated Steel
- Comparable to a standard hex jam nut but thicker
- Known as a Heavy Jam Nut, Heavy Hex Jam Nut, or Extra Thick Jam Nut
- Used for clamping nuts together without clamping against another object
- The nuts are tightened against each other instead
- Secure an item to a fastener without exerting force on it
- CR+3 Case Hardened Zinc Plated A563 Grade A Steel
- UNC Coarse thread sizes
- REACH and RoHS Compliant
| Nut Size | Width Across Flats | Thickness |
| 1/4" | Max 0.500 - Min 0.488 | Max 0.188 - Min 0.156 |
| 5/16" | Max 0.562 - Min 0.546 | Max 0.220 - Min 0.186 |
| 3/8" | Max 0.688 - Min 0.669 | Max 0.252 - Min 0.216 |
| 7/16" | Max 0.750 - Min 0.728 | Max 0.285 - Min 0.247 |
| 1/2" | Max 0.875 - Min 0.850 | Max 0.317 - Min 0.277 |
| 3/4" | Max 1.250 - Min 1.212 | Max 0.446 - Min 0.398 |
| 7/8" | Max 1.438 - Min 1.394 | Max 0.510 - Min 0.458 |
| 1" | Max 1.625 - Min 1.575 | Max 0.575 - Min 0.519 |
| 1-1/8" | Max 1.812 - Min 1.756 | Max 0.639 - Min 0.579 |
| 1-1/4" | Max 2.000 - Min 1.938 | Max 0.751 - Min 0.687 |
| 1-1/2" | Max 2.375 - Min 2.300 | Max 0.880 - Min 0.808 |
| 1-5/8" | Max 2.562 - Min 2.481 | Max 0.944 - Min 0.868 |
| 1-3/4" | Max 2.750 - Min 2.662 | Max 1.009 - Min 0.929 |
| 2" | Max 3.125 - Min 3.025 | Max 1.138 - Min 1.050 |
Product number:
1102-128-0012