Stanley Supply, Inc. Mailing Address:
42-42 11th Street Long Island City, NY 11101 Phone: 855.898.2957 Fax: 718.472.3243 E-Mail: sales@stanleysupply.com Website: www.stanleysupplyi.wpengine.com
Each concrete screw carbide drill bit is precisely ground to match a certain tolerance to assure proper hole diameter and to achieve maximum thread holding power. The flat on the shank fits all drill adapters. The drill bit is specially heat treated to make it very durable.