Simpson Strong-Tie THD50400HMG - 1/2 Inch x 4 Inch Flanged Hex Head, Mechanically Galvanized Titen HD Heavy Duty Screw Anchor for Concrete, Easy Installation (Pack of 20)
Special Features
Head-stamped for easy identification
Serrated teeth on the tip facilitates cutting and reduces installation torque
Thread design undercuts to efficiently transfer the load to the base material
Specialized heat-treating process creates tip hardness for better cutting without compromising ductility
Hex washer head requires no separate washer, unless required by code
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