5/16"-18 x 2-3/4" Zinc Concrete Wedge Stud Anchor Bolts WAS-300 (50 pcs.)

Diameter: 5/16"
Length: 2-3/4"
Material: Steel
Finish: Zinc
Drill Size: 5/16"
Thread Size: 18 (Coarse)
Type: Wedge Anchor
Application: Concrete|Stone

Box of 50.

All mechanical bolts have a wedge arrangement at the end. Tightening the bolt results in a wedge being driven up against a sleeve. This jams the end of the bolt, and provides the strength.