17 x 12 in. Big T Construction Lag Screw, T-40, Washer Head - Qty:50

17 x 12 in. Big T Construction Lag Screw, T-40, Washer Head - Qty:50

Our rugged, Professional Grade Fastners for Pros and Weekend Warriors have secured our place as the top fastener brand.

Compatible with treated lumber, but in areas within one mile of saltwater, near swimming pools, exposure to corrosive chemicals, or other areas where corrosion is more likely to occur, such as livestock containment, use the proper size, grade, and type of Big T Stainless Steel Fasteners.

BENEFITS & FEATURES:

• Heat treated hardened steel for high tensile strength and high shear strength
• Triple Layer ACQ Compatible Bronze Coating for Exterior or Interior use
• Deep Six Lobe Star Drive Recess reduces cam out end load. Handles twice the torque as Phillips or Square Drive while extending the life of the bit
• Built in washer head for increased pull through strength
• Under head cutting nibs to aid in self countersinking
• Aggressive knurl enlarges hole to reduce splitting and drag to help draw lumber together
• V Cut notches on threads to cut for easier insertion at lower torque
• Type 17 tip for faster precise starts which eliminate "walking," and provides easier insertion without pre drilling
• Aggressive Thread for great withdrawal strength
• Structural Lag Screw backed by certified independent testing (TER 1907 01) (Acceptable alternative to galvanized lag screws)
• International Building Code and International
• Residential Code Compliant

COMMON USES INCLUDE:

• Log Construction
• Timber Frames
• Laminated Beams
• Girders
• Ledger Boards
• Stair Rails
• Deck Posts
• Fencing
• SIP Panels
• Pole Barns

NOTE: Always follow lumber manufacturer's recommendations.