1/2"-20 Polished 18-8 Stainless Steel Grade 5 Fine Thread Hex Nuts

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

Box of 4.

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