#10-24 18-8 Stainless Steel Coarse Thread High Crown Acorn Nuts (10 pcs.)

Diameter: #10
Diameter 2: 7/16"
Thickness: 9/16"
Material: Stainless Steel
Driver Type: 3/8" Wrench
Thread Size: 24 (Coarse)
Shape: High Crown Acorn
Hardness: 18-8
Type: Cap Nut

Box of 10.

A closed nut having a dome-like cap over the back, protruding part of the engaged screw or bolt. Also called an acorn nut.