1-1/8" x 36" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Straight Shank Drill Bits Retrofits & Remodels: Provides a

Retrofits & Remodels: Provides a compliant solution for updating older structures with fire-rated specs

Durable coating: Galvanized for corrosion resistance in typical interior

Coarse threads - increase grip and pull-through strength in wood

Nailing patterns to accommodate different purlin/rafter/truss types

this fastener offers superior corrosion resistance in exterior and non-marine environments

1-1/8" x 36" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Straight Shank Drill Bits Retrofits & Remodels: Provides aStrong Tie SDS MAX masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications.