Cap nuts, also called acorn nuts, enclose the end of a bolt for a finished appearance while protecting against sharp thread ends.
Nominal Size: 5/8"
Thread: 18 TPI (Fine)
Height: 1"
Material: Steel
Finish: Chrome
Head Style: Flat (15/16" Wrench)
Shape: Flat Head Acorn
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.