#15 Construction Lag Screw Exterior Coated Torx/Star Drive Heavy Duty Structural Lag Screw – Modified Truss Washer Head – Screw Length:#15 x 2-1/2″ Construction Lag Screws – Package Quantity:100 COUNT BOX

Description#15 Construction Lag Screw Exterior Coated Torx/Star Drive Heavy Duty Structural Lag Screw – Modified Truss Washer Head Only the #15 x 6″ is available in 50 Count Packages✔#15 Screw Dimensions – ~.202 Shank Diameter – ~.275 Thread Diameter – ~5/8 Head Diameter – Use T-30 Torx Bit✔Manufactured from High Quality Heat Treated Steel, Triple Coated, ACQ Treated Lumber Compatible✔Type 17 Notched Extra Sharp Point for Quick Starts without “Walking”, Reduces Need for Pre-Drilling✔Corrosion Resistant Lag Screws Passed the 1500 Hour Salt Spray Test Without Coating Failures✔Great Screw for Decking, Fencing, Roofing, Framing, Timber Frame or Post, and Beam✔Construction Lag Screws Far Exceed Standard Lag Bolts in Shear Compression Forces✔Deep, Wide, Sharp Screw Threads for Maximum Holding Power, Excellent for Hard and Soft Wood✔Deep Torx/Star Drive Head Reduce “Cam-out” While Driving Screw✔Knurled Screw Shoulder Lowers Drill Torque Requirements, High Quality Threads Cut Clean and Easy#15 x 3-1/2″ Construction Lag Screws with a 5/16″ thread diameter and 5/8″ modified truss head for enhanced compression. Designed for T30 Torx/Star drive bits, these exterior-coated screws are suitable for hard and soft woods, chipboard, and tough materials. Ideal for construction, they offer strong, reusable fastening with high torque transfer. Includes 100 screws.The #15 x 2″ Structural Lag Screw Does not Have a Knurled ShoulderScrew Engineering Specs:Average Shear Strength of #15 Shank —920 lbfAverage Pull-Out Strength: 1.5″ (Thread Length) – 375 lbf / 2″ (Thread Length) – 500 lbf / 3″ (Thread Length) – 750 lbf / 3.5″ (Thread Length) – 875 lbf (Screw Pull-Out is Calculated by Screws installed in the Side Grain of a Main Member – Southern Pine)Installation Instructions