1/2"-20 18-8 Stainless Steel Fine Thread Hex Nuts (12 pcs.)

Diameter: 1/2"
Diameter 2: 27/32"
Thickness: 7/16"
Material: Stainless Steel
Driver Type: 3/4" Wrench
Thread Size: 20 (Fine)
Hardness: 18-8
Type: Hex Nut

Box of 12.

Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.