1-1/2" x 23" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Bugle Head Deck Screws This unique tool drives screws

This unique tool drives screws to the accurate depths below the surface of the deck boards

Simpson Strong-Tie® Core Bits are made to the same exacting standards as our standard carbide-tipped drill bits

Retrofit Installation: Designed for installation into existing cured concrete using anchoring adhesive

Noise-Free Deflection – Polymer sleeve allows natural wood movement without squeaks

1-1/2" x 23" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Bugle Head Deck Screws This unique tool drives screwsStrong 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