1/4"-28 Black Chrome Plated Steel Fine Thread Acorn Nuts (8 pcs.)

Diameter: 1/4"
Thickness: 3/8"
Material: Steel
Finish: Black Chrome
Driver Type: 7/16" Wrench
Thread Size: 28 (Fine)
Shape: High Crown Acorn
Type: Cap Nut

Box of 8.

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