3/8"-16 x 2-1/4" Zinc Plated Grade 5 Steel Coarse Thread Hex Cap Screws CSHS5-272

Diameter: 3/8"
Length: 2-1/4"
Material: Steel
Finish: Zinc
Head Style: Hex (9/16" Wrench)
Thread Size: 16 (Coarse)
Thread Length: 1"
Hardness: Grade 5
Type: Cap Screw
A hex cap screw has a hexagonal head, designed to be driven by a wrench.