• GRK's RSS™ Rugged Structural 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
• The #30 Star Drive will deliver approximately 650 lbf of energy, eliminating the need to drill a pilot hole
• The RSS™ screw is the only lag screw replacement of its kind
• Self-tapping
• W-Cut™ thread design, ZipTip™
• Climatek™ coated
• May be used for lag screw replacement