Diameter: 1/4"
Length: 2-1/2"
Material: Steel
Finish: Zinc
Point Type: Drill
Driver Type: T-30 Star Bit
Thread Size: 20 (Coarse)
Thread Length: Full
Type: Self-Drilling Screw

The Ultimate Construction Screw - Fully specced for structural applications. Star and Hex Drive reduces Cam-out and for easy slip-free driving. Unique serrated thread for secure fastening. Most of our line offers a Type 17-point which eliminates the need for pre-drilling and reduces wood splitting. (Timber Screws, Hex Head Construction, & Ledger Screws are not equipped with Type 17-point). Exterior screws are encased with our premium XL 1500 coating to resist the environment, wood acids & treatment. Top quality alloy steel and are case hardened. Engineered to make them the best choice for professional and home use.