1/2″-20 x 4″ Zinc Plated Grade 8 Steel Fine Thread Hex Cap Screws

Description

Diameter: 1/2″
Length: 4″
Material: Steel
Finish: Yellow Zinc
Head Style: Hex (3/4″ Wrench)
Thread Size: 20 (Fine)
Thread Length: 1-1/4″
Hardness: Grade 8
Type: Cap Screw

Box of 8.

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