1/4″-20 Polished 18-8 Stainless Steel Coarse Thread Acorn Nuts (8 pcs.)
Diameter: 1/4″ Diameter 2: 1/2″ Thickness: 9/16″ Material: Stainless Steel Finish: Polished Driver Type: 7/16″ Wrench Thread Size: 20 (Coarse) Shape: High Crown Acorn Hardness: 18-8 Type: Cap Nut Box of 8. A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. Also called an acorn nut.