1-1/4" x 36" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 HDU/HDQ/HHDQ Holdowns Deck & Porch Framing: Ideal

Deck & Porch Framing: Ideal for securing joists in skewed configurations for outdoor structures

HVAC ductwork and mechanical system anchoring

concealed look that blends seamlessly with your project

Use tables for both standard concrete and post-tension slab installations

They feature a large washer head for exceptional holding power and a bold thread design that bites quickly into wood

1-1/4" x 36" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 HDU/HDQ/HHDQ Holdowns Deck & Porch Framing: IdealStrong 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