Product Description
UNC Grade 5 zinc plated steel nyloc nylon lock nuts for vibration resistant fastening applications. These nylon insert lock nuts are suitable for automotive, engineering, restoration, machinery and general workshop use where UNC thread fasteners are required.
Manufactured from zinc plated steel with a nylon locking insert, these UNC hex lock nuts are designed to resist loosening under vibration. Ideal for use with matching UNC threaded screws, bolts and studs in applications where a bright zinc plated finish and reliable locking performance are required.
Please select the required UNC thread size and pack quantity from the dropdown options. Specifications are intended as a guide only, so if dimensions are critical it is best to check before ordering.
Thread Type: UNC
Material: Zinc Plated Steel
Grade: Grade 5
Nut Type: Nyloc / Nylon Insert Lock Nut
Locking Style: Nylon Insert
Finish: Bright Zinc Plated
| A | B | C | D |
| 1" | 1 13/32" | 1 1/32" | 8 |
| 1/4" | 7/16" | 5/16" | 20 |
| 5/16" | 1/2" | 5/16" | 18 |
| 3/8" | 9/16" | 7/16" | 16 |
| 7/16" | 5/8" | 7/16" | 14 |
| 1/2" | 3/4" | 5/8" | 13 |
| 9/16" | 1 1/8" | 5/8" | 12 |
| 5/8" | 1 5/16" | 3/4" | 11 |
| 3/4" | 1 1/32" | 7/8" | 10 |
| 7/8" | 1 7/32" | 15/16" | 9 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.