5/16" x 3" Zinc Concrete Wedge Stud Anchor Bolts WAS-153 (50 pcs.)Type: Anchor Bolts
Drill Size: 5/16"
Type: Wedge Anchor
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.
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