1/4"-20 Nylon Plastic Coarse Thread Cap Nuts CNN-131 (10 pcs.)

Diameter: 1/4"
Thickness: 15/32"
Material: Nylon
Driver Type: 7/16" Wrench
Thread Size: 20 (Coarse)
Shape: Acorn
Type: Cap Nut

Box of 10.

A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. Also called an acorn nut.