Big Timber CTX15312 T-30 #15x3-1/2 Construction Knurled Lag Screw 500 Pk

CONSTRUCTION LAG SCREWS

• Bronze Coating
• Star Drive
• Type 17 Point
• Exterior Corrosion-Resistant
• ACQ Compatible

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•
• Type 17 tip for faster precise starts which eliminate “walking” and provides easier insertion without pre-drilling
• Aggressive thread for great withdrawal strength
•(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 timber manufacturer’s recommendations.

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