Jake Sales 15x4 Black Wafer Head Structural Lag Screws. Used for Log Construction, Timber Framing, Laminated Beams and Pole Barns Among Other Uses. T-30 Torx/Star Drive (50 Count)

Jake Sales 15x4" Black Wafer Head Structural Lag Screws. Used for Log Construction, Timber Framing, Laminated Beams and Pole Barns Among Other Uses. T-30 Torx/Star Drive (50 Count)-Dimensions: Shaft diameter ~.203" - Head Diameter ~.644" - Length ~4.0" - T30 Torx/Star Drive-ACQ Compatible Coating for Outdoor or Indoor Use - 1,000 Hour Salt Spray Tested Without Failure-Heat-treated hardened steel for high tensile strength and high shear strength-Deep Six-Lobe Star Drive Recess reduces cam-out - Handles 2X the torque as Phillips or Square Drive-Type 17 Tip for Fast Starts and Eliminate Walking Without Having to Pre-Drill-Flat Head Washer Increases Pull Through Strength and Leaves Flat Surface-Strong Thread Reduces Chance of Incidental Screw Withdrawal or Pullout-"V-Cut" Notches on Thread Designed to Cut Through Material for Easy Installation at low torque speed

• Dimensions: Shaft diameter ~.203" - Head Diameter ~.644" - Length ~4.0" - T30 Torx/Star Drive
• ACQ Compatible Coating for Outdoor or Indoor Use - 1,000 Hour Salt Spray Tested Without Failure
• Heat-treated hardened steel for high tensile strength and high shear strength
• Deep Six-Lobe Star Drive Recess reduces cam-out - Handles 2X the torque as Phillips or Square Drive
• Type 17 Tip for Fast Starts and Eliminate Walking Without Having to Pre-Drill