- Duo-thread design is great for: Proper seating, Back-out feature for floor joists that are missed during fastener installation; helps to prevent spinouts in soft wood and end grain
- Under-head cutting nibs to aid in self-countersinking
- Triple layer ACQ Compatible Bronze Coating for Exterior or Interior use
- Heat-treated hardened steel for high tensile strength and high shear strength
- International Building Code and International Residential Code Compliant