Lock nuts are hex nuts with a nylon insert. This design minimizes vibration, corrosion, and helps to prevent loosening. The flat side of the lock nut should sit flush with the material once tightened.
Specifications
1/2 in
Grade 2
90-Day
Coarse Thread
Lock Nut
Zinc
1/2 inch
3/4 in
10
Inches
1/2 in.-13
None
All variants of Everbilt 1/2 in.-13 Zinc Plated Nylon Lock Nut
Everbilt 1/2 in.-13 Zinc Plated Nylon Lock Nut — Default Title — Model # 807332 — SKU HD-204281856 — $4.57
Everbilt 1/2 in.-13 Zinc Plated Nylon Lock Nut — Default Title — Model # 811521 — SKU HD-204274162 — $1.47