5/8" x 3-1/2" Zinc Plated Steel Wej-It Anchors WAS-348 (25 pcs.)

Diameter: 5/8"
Length: 3-1/2"
Material: Steel
Finish: Zinc
Drill Size: 5/8"
Type: Wedge Anchor
Application: Concrete|Stone

Box of 25.

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.