3/4" x 12" Simpson SDS-Plus Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 HD/HDB Holdowns A connection you can trust

A connection you can trust without second-guessing

Annular ring shank increases pull-out resistance to provide a secure attachment that reduces cupping of siding boards

Each screw is crafted with a square-drive recess for reduced cam-out

ARCs may be used in conjunction with the Piston Plug Delivery system

For off-layout or end-of-run studs where a spacer-bracer slot does not engage a stud

3/4" x 12" Simpson SDS-Plus Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 HD/HDB Holdowns A connection you can trustStrong 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