5/16"-18 Polished 18-8 Stainless Steel Grade 5 Coarse Thread Hex Nuts (8 pcs.)

Diameter: 5/16"
Diameter 2: 9/16"
Thickness: 9/32"
Material: Stainless Steel
Finish: Polished
Driver Type: 1/2" Wrench
Thread Size: 18 (Coarse)
Hardness: 18-8
Type: Hex Nut

Box of 8.

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