Samac PS3540PP 3.5x40mm Performance PLUS Screw (200) PS3540PP Performance Plus high performance wood screws Pozi reinforced double countersunk head reduces head breakage and assists countersinking Self-countersinking ribs for improved countersinking and a flush finish Waxed zinc and yellow passivated finish for corrosion resistance and reduced torque Milling tread reduces torque and helps prevent splitting Serrated thread cuts into wood to reduce splitting and torque Type 17 cut point reduces splitting and the need for pre-drilling Supplied in a box of 200 Includes a free Pozi bit Samac Performance PLUS Wood Screws are engineered for reliable, high-speed installation and a clean professional finish. Designed to reduce splitting, lower driving torque and improve countersinking, these screws deliver consistent performance across a wide range of timber applications. The durable corrosion-resistant finish and reinforced head design make them a dependable choice for trade and professional use, while the included free Pozi bit adds extra value.