1"-14 x 4-1/2" Zinc Plated Grade 5 Steel Fine Thread Hex Cap Screws

Diameter: 1"
Length: 4-1/2"
Material: Steel
Finish: Zinc
Head Style: Hex (1-1/2" Wrench)
Thread Size: 14 (Fine)
Thread Length: 2-1/4"
Hardness: Grade 5
Type: Cap Screw

Box of 10.

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