3/8″-16 x 4″ Plain Grade 5 Steel Left Hand Thread Hex Cap Screws

Description

Diameter: 3/8″
Length: 4″
Material: Steel
Finish: Plain
Head Style: Hex (9/16″ Wrench)
Thread Size: 16 (Left Hand|Coarse)
Thread Length: 1″ to 2″
Hardness: Grade 5
Style: Left Hand
Type: Cap Screw

Box of 2.

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