Diameter: 5/8"
Thickness: 1"
Material: Steel
Finish: Chrome
Head Style: Flat (15/16" Wrench)
Thread Size: 18 (Fine)
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.