Cap nuts, also called acorn nuts, enclose the end of a bolt for a finished appearance while protecting against sharp thread ends.
Nominal Size: 3/8"
Thread: 16 TPI (Coarse)
Width Across Flats: 9/16"
Height: 1/2"
Material: Solid Brass
Shape: 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.
