8 in x 3/8 in GRK RSS Rugged Structural Screw - Box

For use in heavy duty structural applications such as LVL and deck substructure, as a replacement for lag screws, and other remodeling applications. For use in interior and exterior conditions, and the GRK Climatek coating is approved for use in treated lumber.

Features

• Recessed Star Drive: Zero Stripping, with 6 points of contact
• CEE Thread: Enlarges hole to reduce splitting 
• W-Cut™: Low torque, faster drive
• Zip-Tip™: No pre-drilling, faster penetration
• Washer Head: for immense holding power 
• Cutting Pockets: provide a clean hole and reduces splitting, and bore with precision
• Case Hardened Steel: for high tensile, torque and shear strength
• Climatek™ Coating is AC257 code approved for use in treated lumber
• For interior / exterior use in; carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications
• ESR-2442 Approved for structural application