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Description
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
• Wax coating enhances performance, reducing the torque for a smoother drive
> Also available in:
– ACQ compatible bronze 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" |

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