GRK FASTENERS #10 x 3-1/8" Star-Drive Round-Head Rugged Structural Screws - 50 Pack

GRK’s RSS™ screw is made of specially hardened steel to provide you with high tensile, torque, and shear strength. The sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks.

• Made of case hardened steel to provide high tensile, torque and shear strength
• Sharp threads and points bite instantly into the material (including hardwood), reducing the splitting effect due to smaller shanks
• Round head with built-in shield (washer type head) has no sharp edges like conventional lag screws
• Recessed Star Drive: zero stripping, with 6 points of contact
• CEE Thread: Enlarges hole to reduce splitting
• W-Cut(TM): Low torque, smoother drive
• Zip-Tip(TM): No pre-drilling, faster penetration
• Cutting Pockets: provide a clean hole, reduces splitting, and bore with precision
• ESR-2442 approved for structural application
• Climatek(TM) Coating is AC257 code approved for use intreated lumber
• For interior/exterior use in carrying beams, ledger boards, stair rails, deck posts, playground equipment and other professional applications
• Factored resistances as per CSA 086-14
• To be used with black T-30 2" bit