1.3/8″ – 6 UNC Steel Class 5 Zinc Plated Nyloc Nut
Nyloc nuts (also referred to as nylon insert lock nuts) feature a nylon insert which prevents the nut from backing off due to vibration or rattling in low temperature situations.
- Nylon locking helps prevent vibration
- Replaces a standard hex nut and spring washer combination
- Internal thread assists with clamping
- Hexagonal for use with spanners and sockets
- Zinc plated – decorative, corrosion resistant finish for internal applications