3/4" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Drywall Screw Guns It features a self-tapping tip

It features a self-tapping tip and comes preassembled with a nut

Install fasteners into all available nail holes for optimal strength and stability

enhancing the strength of engineered wood systems

Simpson Strong-Tie RFB Retrofit Foundation Bolts provide a reliable solution for anchoring wood sill plates to existing concrete foundations

This kit includes ten masonry gusset angles and the required Strong-Drive® screws for installation

3/4" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Drywall Screw Guns It features a self-tapping tipStrong Tie SDS MAX masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications. California Residents: WARNING