Zinc plated and hardened. Twinthread with sharp point. These twin thread screws are a great choice for a wide range of fixing applications. The thread provides greater holding power and works alongside a special wax coating to increase the speed and ease of insertion. The countersunk Pozidriv-compatible head features an extra-deep insert bit recess for a quicker and easier insertion, and a firmer positive drive. The screws are zinc-plated and hardened for strength, and are suitable for use with softwoods, hardwoods, chipboards and fibreboards. For use with softwoods, hardwoods, chipboards and fibreboards. Twin thread increases holding power for a stronger fix. Sharp point and wax coating for faster and easier insertion. Countersunk Pozidriv-compatible recessed head. Extra-deep insert bit recess for a firmer positive drive. Zinc-plated and hardened for strength and durability. Duratool Twinthread Countersunk Pozi Screw 1" x 8 (200 Pack) in Silver. Forge CSK18ZP General Purpose Pozi Screw CSK TT ZP 1in x 8 Boxof 200. Discover the reliability and versatility of Forgefix General Purpose Pozidrive Screws, designed with countersunk heads and zinc plating for enhanced durability. These screws are ideal for a wide range of applications, including ironmongery, electrical, and plumbing projects. The zinc coating not only prevents oxidation but also creates a long-lasting protective barrier, ensuring your projects withstand the test of time. The unique Pozidriv design features four additional points of contact compared to traditional Phillips screws, reducing the risk of cam-out and allowing for greater torque application. You can easily identify Pozidriv screws by the distinctive embossed line at a 45° angle on the screw head. With twin threads for easy starting and a countersunk head that sinks flush with the surface, these screws provide a smooth finish for your installations. Available in imperial size 1 inch, equivalent to metric sizes No.4 (3.0mm) to No.12 (6.0mm), this box of 200 screws is perfect for both DIY enthusiasts and professionals seeking quality and performance in their fastening solutions.