GRK R4™ Multipurpose Star/Torx Screw

In addition to a Torx-head design that eliminates cam-out slippage, these innovative self-countersinking bits feature six cutting pockets beneath the head and sharp, saw-like lower threads to drive through a variety of materials smoothly, without tearing. Ideal for exterior purposes such as building a deck.

Available in several lengths and sizes. Torx/Star-head driver bits also available.

The R4™ is a multi-purpose screw that can be used in all woodworking and plastic applications.

Great for:
• Wood
• Cement Fiber Board
• Particle Board
• Composite Decking
• Plastic
• Wood Decking
• Sheet Metal
• Melamine

Additional features:
• R4 CLIMATEK™ coated screws are tested and approved for all exterior applications including pressure treated lumber as stated in the ICC report #ESR-2442.
• Sub-head cutters create clean countersunk holes without damaging the surface— even in brittle materials.
• Eliminates pre-drilling in most cases
• Fits perfectly into existing countersunk holes on hinges and other hardware fittings.
• Screws 2'' long or longer have special CEE thread that enlarges screw hole and improves performance.

Torx-head design eliminates cam-out slippage	Features six cutting pockets beneath the head