GRK R4 (TM) Multipurpose Star/Torx Screw-#8 Torx Screws
In addition to a Torx-head design that eliminates cam-out slippage, these innovative self-countersinking screws 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. Torx/Star-head driver bits also available.The R4 (TM) is a multi-purpose screw that can be used in all woodworking and plastic applications and is great for the following:WoodCement Fiber BoardParticle BoardComposite DeckingPlasticWood DeckingSheet MetalMelamineFeatures:R4 CLIMATEK (TM) 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 and improves performance.
GRK R4 (TM) Multipurpose Star/Torx Screw-#8 Torx Screws Review
I use GRK R4 (TM) Multipurpose Star/Torx Screw-#8 Torx Screws everyday and I must say that I really LOVE it! Thanks Rockler for great services.