7/16"-14 x 2-1/2" 18-8 Stainless Steel Coarse Thread Hex Cap Screws

Diameter: 7/16"
Length: 2-1/2"
Material: Stainless Steel
Head Style: Hex (5/8" Wrench)
Thread Size: 14 (Coarse)
Thread Length: 1-1/8"
Hardness: 18-8
Type: Cap Screw

Box of 6.

A hex cap screw has a hexagonal head, designed to be driven by a wrench.