3/8X12 Rugged Structural Screw

300 per box RSS™ Rugged Structural Screws: Speedy lag bolt alternative with Immense drawing power. Ideal for use anywhere you would use a traditional lag screw and more, but with no pre-drilling required. For use in all applications including pressure treated lumber. They are self tapping, which eliminates pre-drilling and they feature a washer head with cutting teeth, W-Cut™ for reducing torque, CEE Thread™ for no splitting and our Climatek™ AC257 code approved coating. They are ESR code approved under ICC Report ESR-2442. Head Type: Round Washer Head Drive Type: T-40 Star Thread Type: W-Cut & CEE Thread Composition Climatek Coating Case Hardened Steel Benefits: Recessed Star Drive: Zero Stripping with 6 Points of Contact CEE Thread: Enlarges Hole to Reduce Splitting W-Cut: Low Torque for Smother Drive Zip-Tip: No Pre-Drilling & Faster Penetration Climatek Coating: AC257 Code Approved for use in Treated Lumber