Product Description
UNC zinc plated half locking nuts, also known as thin lock nuts or jam nuts, for use with Unified National Coarse threaded bolts, screws and studs.
These Grade 5 high tensile steel half nuts are zinc plated for corrosion resistance and are commonly used as locking or jam nuts where a thinner nut is required. They can be tightened against a standard nut or component to help resist loosening in machinery, automotive, engineering, restoration and general fastening applications.
- Thread form: UNC / Unified National Coarse
- Material: Zinc plated steel
- Grade: 5 high tensile
- Nut type: Half lock nut / thin jam nut
- Finish: Zinc plated
- Available sizes: 1/4", 5/16", 3/8", 7/16", 1/2" and 7/8"
- Available pack sizes: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 20, 50, 100, 250, 500 and 1000
| A | B | C | D |
| 1/4" | 7/16" | 0.16" | 20 |
| 5/16" | 1/2" | 0.18" | 18 |
| 3/8" | 9/16" | 0.21" | 16 |
| 7/16" | 11/16" | 0.31" | 14 |
| 1/2" | 3/4" | 0.25" | 13 |
| 7/8" | 1 1/4" | 0.47" | 9 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.
