13/16" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Decorative Gable Plates After the anchor reaches the

After the anchor reaches the bottom of the drilled hole

The screw’s patented tip drives fast and clean into wood with no pre-drilling

It is available in smooth and knurled versions for attaching building materials to concrete and steel

DWFSD Drywall-to-CFS Screws

Durable silicone construction: Resists extreme temperatures and UV rays

13/16" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Decorative Gable Plates After the anchor reaches theStrong 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