1/2"-13 x 10" Zinc Plated Steel Coarse Thread Concrete Wedge Anchors

Diameter: 1/2"
Length: 10"
Material: Steel
Finish: Zinc
Driver Type: 3/4" Wrench
Drill Size: 1/2"
Thread Size: 13 (Coarse)
Style: Concrete
Type: Wedge Anchor

Box of 15.

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.