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 (Full Box ~600 Screws)

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 (FULL BOX ~600 Screws)-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 15x3" Black Wafer Head Structural Lag ScrewsCoated for use With ACQ Lumber and Against Corrosion. These Screws can be Used Either for Interior or Exterior Work. Uses Include Fencing, Log Construction, Pole Barns, Deck Posts, Ledger Board and Many Other Uses. Aggressive Knurl Works to Reduce Splitting and Drag While Drawing Timbers Together. Use With a T-30 Torx/Star Bit.

• 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