Simpson 1 2" x 6 1 2" Titen HD Mechanically Galvanized Screw Anchor PACK:20 Pk and laminated panels materials and laminated panels materials that rapidly wear conventional high speed steel bits allowing it to maintain sharp cutting edges across long production runs Refer to worksheet Options for Multiple Beam Serrated teeth on the tip facilitates cutting and reduces installation torque less effort and strain during driving means faster installation and reduced tool wear Mechanically Galvanized Heavy Duty Screw Anchor is a high strength carbon steel anchor engineered for reliable structural fastening in cracked and uncracked concrete