Cap nuts, also called acorn nuts, enclose the end of a bolt for a finished appearance while protecting against sharp thread ends. Diameter: #8 Thickness: 9/32" Material: Solid Brass Driver Type: 1/4" Wrench Thread Size: 32 (Coarse) Shape: Acorn Type: Cap Nut A closed nut having a dome-like cap over the back, protruding part of the engaged screw o...