High performance all purpose self-countersinking screw for fast accurate driving into softwood, chipboard and most hardwood. Two patented slots to prevent splitting close to edge. Ribs and tucks to enable flush fitting without surface damage. Waxed thread. Zinc and yellow passivated, for up to 20x more rust resistance than standard BZP screws. Looking for a wood screw that combines ultimate performance with a perfect finish? You will love these Reisser Cutter screws. Their advanced design and high performance ensures fast and accurate driving into softwood, chipboard and most hardwood. These all-purpose, self-countersinking screws feature ribs and tucks under the head, so they are sure to sit flush against the surface without damaging it. They are designed for maximum precision, with slots to prevent splitting when working close to the edge. A 20 degree needle point is sharp enough to penetrate almost all timbers without the need for a pilot hole, so you can get straight to work quickly. A wide, deep thread is designed to reduce driving resistance by up to 40 percent - with less torque required, you will finish the job even faster. Ribs and tucks to ensure a flush fitting without any surface damage. Reinforced collar prevents snapping and gives depth. Sharp, wide and deep thread reduces driving resistance - less torque required. 20 degree needle point penetrates wood easily without a pilot hole. Two patented slots prevent splitting when screwing close to the edge. Zinc and yellow passivated - up to 20x more rust resistance than standard BZP screws.