Simpson Strong-Tie THDB25178H - Titen HD Concrete Screw Anchor (Zinc) 1/4" x 1-7/8" 100ct

Qualified for static and seismic loading conditions Thread design undercuts to efficiently transfer the load to the base material No special drill bit required; designed to install using standard-sized ANSI tolerance drill bits Hex-washer head requires no separate washer and provides a clean installed appearance Carbon steel Titen HD utilizes a specialized heat-treating process that creates tip hardness for better cutting without compromising the ductility