The Silverscrew PZ Double-countersunk Zinc-plated Carbon steel Screw is a reliable and sturdy addition to your toolkit. With a diameter of 4mm and length of 30mm, these screws are ideally sized for various installations and repair works. These screws are zinc-plated, offering excellent corrosion resistance, ensuring long-lasting durability. Made from carbon steel, they provide exceptional strength and stability. The double-countersunk head style allows for a seamless finish. Each pack contains 200 screws, providing superb value for both professionals and DIY enthusiasts.