7/8" x 18" Simpson SDS-Plus Concrete Drill Bit, Carbide Tip, Pkg 1 Fiber-Cement Siding Nails Self-Drilling Tip: No pre-drilling required

Self-Drilling Tip: No pre-drilling required when fastening into 18–22 gauge steel

flush appearance once seated

HVAC duct and mechanical routing

Select a screw length and diameter that allows the drill point to penetrate steel and the threads to engage completely

Connection Type: Designed to be cast-in-place or wet-set into concrete in order to connect columns to concrete foundations and provides a 1" standoff to meet building codes

7/8" x 18" Simpson SDS-Plus Concrete Drill Bit, Carbide Tip, Pkg 1 Fiber-Cement Siding Nails Self-Drilling Tip: No pre-drilling requiredStrong Tie SDS Plus masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications. California Residents: WARNING