5/8" x 4-1/2" Zinc Plated Steel Concrete Wedge Stud Anchor BoltsType: Anchor Bolts
Drill Size: 5/8"
Type: Wedge Anchor
Box of 10.
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.