#17 x 8 inch Construction Lag Screw Exterior Coated Torx/Star Drive Heavy Duty STRUCTURAL Lag Screw Far Superior to Common Lag S

High Performance Exterior Coated Screws (Over 1200 Hour Salt Spray Test - NO Failures)Far Exceeds Standard Lag Bolts - For Professional Operations & Demanding Industries - Excellent Screws for Both Hard and Soft Wood - High Quality Heat Treated Steel.310" Construction Lag Screw Thread Diameter - Modified Truss Head Screw (11/16" Head Diameter) - Resulting in Best Compression Forces - Deep, Wide, Sharp Screw Threads Provide Maximum Holding Power - High Quality Screw Threads Cut Cleanly & Easily Through Tough Materials - Knurled Screw Shoulder Lowers Drill Torque Requirements - Type 17 Notched Screw Point for Quick Starts without "Walking"Torx/Star Drive Delivers Twice the Torque of Phillips or Square Drive Screws - Use with T40 Driver Bit - Deep Torx/Star Drive Screws Reduce "Cam-out" - Easy Installation - Excellent Screw for Fencing, Decking, Siding, Roofing, Framing, etc. - Average Shear Strength of 5294 lbs. & Average Pull-Out Strength is 2082 lbs (7" Length) (Specs in Yellow Pine Wood)Bulk Quantity of CTX Construction Lags Screws Saves $$$