3/4" x 13" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Quik Drive Roofing Tile Systems 1/4" Rod Compatibility: Designed to

1/4" Rod Compatibility: Designed to hold 1/4" threaded rod securely

Pre-Drilling: When using engineered or dense lumber

Designed for versatility across a wide range of construction projects

Whether you're replacing old rotted wood posts with sturdy metal posts or starting new fence construction

Commercial & Industrial Projects: Suited for large-scale engineered wood framing applications requiring long-term strength and reliability

3/4" x 13" Simpson SDS-MAX Quad Head Concrete Drill Bit, Carbide Tip, Pkg 1 Quik Drive Roofing Tile Systems 1/4" Rod Compatibility: Designed toStrong 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