5/8" x 18" Simpson SDS-Plus Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Strong-Tie SDW Truss-Ply Screws without the squeaks that often

without the squeaks that often happen when wood shifts

Flexible design: #5 Roofjack size fits pipe sizes from 4" - 8-1/4"

The 316 stainless steel offers unmatched corrosion resistance

Corrosion resistance - built for outdoor exposure

Its specialized thread design allows the screw to tap directly into concrete or block with minimal effort with no expansion anchors or inserts needed

5/8" x 18" Simpson SDS-Plus Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Strong-Tie SDW Truss-Ply Screws without the squeaks that oftenStrong Tie SDS Plus masonry drill bits feature a durable carbide tip and are designed for use in concrete, brick and block applications.