These Fixman Goldstar countersink screws are yellow zinc passivated, which significantly enhances their corrosion resistance. They are single - thread, case - hardened PZD countersunk screws, offering great durability. The pack includes an extensive range of the most commonly used sizes, such as 3 x 12mm, 3.5 x 12mm, 3.5 x 16mm, 3.5 x 20mm, 3.5 x 25mm, 3.5 x 30mm, 3.5 x 40mm, 4 x 20mm, 4 x 25mm, 4 x 30mm, 4 x 40mm, 4 x 45mm, 4 x 50mm, 5 x 30mm, 5 x 50mm, 5 x 60mm, 5 x 70mm, 5 x 80mm, and 6 x 100mm. They come in a sturdy case with removable plastic compartments, making organization and storage a breeze. Key features include excellent corrosion resistance due to yellow zinc passivation, single - thread design for efficient use, and a wide variety of popular sizes. There's a 1 - year manufacturer warranty, but you'll need to register the product on the manufacturer's website.
Using these Fixman Goldstar countersink screws is easy. First, pick the right size for your project from the wide range available in the pack. When you're ready to use a screw, simply insert it into a compatible screwdriver and drive it into the material you're working with. Make sure to apply steady pressure to ensure a secure fit. As for storage, keep them in the sturdy case with removable plastic compartments. This will not only keep them organized but also protect them from damage. When it comes to maintenance, since they are yellow zinc passivated, they are quite resistant to corrosion. However, try to keep them in a dry place to extend their lifespan. Remember, there's a 1 - year manufacturer warranty, but you must register the product on the manufacturer's website to take advantage of it.
