This 1-3/4"-5 Nylon Insert Locknut features a coarse thread pattern and is manufactured from low carbon steel with a zinc chromate CR+3 finish for corrosion resistance. The integrated nylon insert provides superior vibration resistance and locking performance in heavy-duty fastening applications. Meets ANSI/ASME B18.16.6 specifications for dimensional accuracy.
| Finish | Zinc CR+3 |
| Material | Low carbon steel |
| Size | 1 3/4" |
| Thread | Coarse |
| TPI | 5 |