The Hex Head Self Drilling Screw is also known as Roofing Screw that is commonly used for metal roofing systems. It is designed specifically for all kinds of roofing applications. With a variety of types of products and good quality, our Roofing screws will provide you the best solution for fastening different kinds of roofing structures. 
*Commonly used to fasten metal, plastic, and fiberglass roofing sheets to metal or wood structures: the roofing screws with drill points for metal structures and the ones with sharp points for wood structures.
*Ideal for fastening the overlap roofing sheets.
Among so many roofing screw manufacturers, we believe that ShenRong or Muduoxin is your ideal choice for we apply advanced manufacturing techniques to the products: it's worth mentioning that our hex head screw factory also provides Hex Head Self Drilling Screws with Dacromet or Ruspert Coating.
Welcome to contact ShenRong or Muduoxin and choose as your drywall screw supplier for long-term business cooperation.