We are a factory specialized in producing Heavy Duty Self Drilling Metal Screws. Our screws are specially designed to withstand extreme conditions and can be used in many applications, including metal roofing, siding, and HVAC installations. These screws are made from high-quality materials, which provide strong and long-lasting performance. Our screws come in various sizes and finishes and are easy to install. We are dedicated to providing our customers with durable and reliable products that meet their needs. Contact us today to learn more about our Heavy Duty Self Drilling Metal Screws.