Wood screws, drywall screws and platform screws are also easy to buy. We have English and metric screws in stock. We have more than 20 different types of screws, and there are many materials to choose from, such as aluminum, stainless steel and steel screws. And there are thousands of different screws, Ball screw pair Many surface treatments are available, such as galvanized steel screws, black oxide screws, yellow zinc screws and chrome plated screws. The cable ring is provided with a bolt ring which is vertical to the cable ring. Various types of shoulder bolts are available on request. Screw with raised screw thread, and screw thread with raised screw thread and reduced screw thread. It is not recommended to use cemented carbide drill bits before drilling into masonry structures. Also known as masonry screws, concrete screws cut their own threads when used in concrete, blocks or bricks. They can be used to fix wood, metal or other materials and do not require anchors for light to medium applications. Many sizes, styles and materials of deck screws, drywall nails and wood screws are available. As well as our large stock of stainless steel screws, such as stainless steel self tapping screws, are not included in our stock.