In addition to a Torx-head design that eliminates cam-out slippage, these innovative self-countersinkingbits 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 plasticapplications.Great for:WoodCement Fiber BoardParticle BoardComposite DeckingPlasticWood DeckingSheet MetalMelamineAdditional 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 casesFits perfectly into existing countersunk holes on hinges and other hardware fittings.Screws 2″ long or longer have special CEE thread that enlarges screw hole andimproves performance.
#6 and #8 screws use T-15 bit; #9, #10, and #12 use bit T-25
Self-tapping, countersinking head; W-Cut thread design
One package contains 100 screws
Climatek coated for all weather corrosion protection conforms with ICC#2442
For use in wood, particle-board, cement fiberboard, plastic, and sheet metal