1-1/8" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Collated Self-Drilling Screws installation is faster and more

installation is faster and more straightforward because the anchor cuts its own threads into the concrete and does not require expansion setting

Installation Design: Features diamond holes to provide temporary fastening during installation

Complete kit: Includes an EPDM pipe boot

Use the specified type and number of fasteners

ensuring long-term durability in outdoor structures

1-1/8" x 21" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Collated Self-Drilling Screws installation is faster and moreStrong 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