5/16" x 3" Zinc Plated Steel Wej-It Anchors WAS-315 (100 pcs.)

Diameter: 5/16"
Length: 3"
Material: Steel
Finish: Zinc
Drill Size: 5/16"
Type: Wedge Anchor
Application: Concrete|Stone

Box of 100.

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.