Big Timber WTX Series WTX15312-25 Structural Lag Screw, #15 Thread, 3-1/2 in L, Full Thread, Wafer Head, Type 17 Point

Big Timber WTX Structural Lag Screw, Thread Size: #15, 3-1/2 in L, Thread Type: Full, Head Type: Wafer, Drive Type: 6-Lobe Star, Point Type: Type 17, Steel, Black Ruspert, Package Quantity: 25 PK, Thread Length: 3-1/2 in, Drive Size: T30

Features:

• Heat-treated hardened steel for high-ensile strength and high-shear strength
• ACQ compatible ruspert coating in an attractive matte black finish useful with many brands of outdoor or indoor decorative hardware
• Deep six-lobe star drive recess reduces cam-out end load
• Handles 2X the torque as Phillips or square drive while extending the life of the bit
• Aggressive knurl enlarges hole to reduce splitting and drag to help draw lumber together