1/4"-28 Chrome Plated Grade 2 / A307 Steel Fine Thread Acorn Cap Nuts

Diameter: 1/4"
Thickness: 3/8"
Material: Steel
Finish: Chrome
Driver Type: 7/16" Wrench
Thread Size: 28 (Fine)
Shape: High Crown Acorn
Hardness: Grade 2 / A307
Type: Cap Nut
A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. Also called an acorn nut.