The concrete installation pack is everything you need to install your HAVEN lock in a concrete sub-floor. The kit includes one (1) Carbide Drill Bit and six (6) 2 1/4" Concrete Screw Pack (6 screws). If more than 2 risers are required to raise your lock to the necessary hight, use these longer 2 1/4 inch screws when installing HAVEN into a concrete sub floor.
- Penetrates brick, block, mortar, and other masonry
- Compatible with corded and cordless drills