1-3/4" x 23" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 THA/THAC/THAR/L Adjustable Truss Hangers Versatile Design: Compatible with various

Versatile Design: Compatible with various joist sizes and wood species

Built for efficient installation

while the strapless design was created specifically for field welding to a steel column

Inverted upper threads - clear excess material for flush seating

Self-Drilling Design: Cuts through metal with ease

1-3/4" x 23" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 THA/THAC/THAR/L Adjustable Truss Hangers Versatile Design: Compatible with variousStrong 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