Cap nuts, also called acorn nuts, enclose the end of a bolt for a finished appearance while protecting against sharp thread ends.
Nominal Size: 1/4"
Thread: 20 TPI (Coarse)
Width Across Flats: 7/16"
Height: 21/32"
Material: Steel
Finish: Chrome
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.
