THBTM
Trim Head Wood Screw
Exterior Corrosion-Resistant
Trim Head Wood Screw
Exterior Corrosion-Resistant
Compatible with treated lumber, but 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 confinement, use the proper size, grade and type of Big Timber Stainless Steel Fasteners. Big Timber Stainless Steel Fasteners should be considered if available. STH available in Stainless.
Big Timber THB: Trim Head Screw
Common Uses Include
• Exterior and Interior Wood Framing
• Exterior Trim Boards
• Installation of Windows and Doors
• Decks and Rails
• Porches
• Fencing
• Siding
• Roofing
• General Construction, Remodeling, and Repair
Benefits and Features:
• Heat-treated hardened steel for high tensile strength and high shear strength
• Triple layer ACQ compatible bronze coating for exterior or interior use
> Also available in:
– ACQ compatible brozne coating
– ACQ compatible white coating
• 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
• Under-head cutting nibs to aid in self countersinking
• Precision cut knurl enlarges hole to reduce splitting and drag to help draw lumber together
• V-Cut notches on threads to cut fibers for easier insertion at lower torque
• Type-17 tip for faster precise starts which eliminate “walking”
– Provides easier insertion without pre-drilling
• Aggressive thread for great withdrawal strength
• Self-countersinking screw head (0.24″ Head Diameter)
THB Product Options
| DIAMETER/DRIVE | LENGTH |
|---|---|
| 0.135" / T20 | 1-5/8" to 6" |
