5/8" x 6" Conquest Large Diameter Concrete Screws - Galvanized, Pkg 10 18 Gauge Straight T-Head Finish Nails The Simpson ECCQ3-4SDS2

The Simpson ECCQ3-4SDS2

Flexible design: #7 Roofjack size fits pipe sizes from 5-1/2" - 11-1/2"

The coarse threads bite in strong and hold tight

Low-Profile Design: Accommodates sheathing while maintaining full rafter bearing

Built for speed and holding power

5/8" x 6" Conquest Large Diameter Concrete Screws - Galvanized, Pkg 10 18 Gauge Straight T-Head Finish Nails The Simpson ECCQ3-4SDS2Conquest Large Diameter Concrete Screws Galvanized are engineered for serious holding power in concrete, block, and brick. Whether you're anchoring sill plates, machinery, racking systems, or structural framing, these heavy duty fasteners are built to handle high load applications with confidence. Designed with a robust thread profile, they cut into concrete with minimal torque while delivering high pullout resistance. Made from hardened steel with a