Samac PS420PP 4x20mm Performance PLUS Screw (200) PS420PP 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 Pack quantity: 200 Includes FREE Pozi bit Samac Performance PLUS wood screws are designed for fast, reliable fixing in timber applications. Engineered to improve drive performance and reduce splitting, these screws deliver a clean, professional finish with less effort. The reinforced double countersunk head and self-countersinking ribs support secure installation, while the waxed zinc and yellow passivated coating helps enhance corrosion resistance and reduce torque. Ideal for trade and professional use, this pack provides dependable performance and value in every box.