5/16″-24 x 4″ Zinc Plated Grade 8 Steel Fine Thread Hex Cap Screws

Description

Diameter: 5/16″
Length: 4″
Material: Steel
Finish: Yellow Zinc
Head Style: Hex (1/2″ Wrench)
Thread Size: 24 (Fine)
Thread Length: 7/8″
Hardness: Grade 8
Type: Cap Screw

Box of 16.

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