Countersunk screws, also known as countersunk screws, are some of the most popular screws. Head shape: Hexagon socket countersunk head，The countersunk head allows the screw to be countersunk flush with the material. High Quality Material: These grub screws are made of 304 stainless steel, have strength and good corrosion resistance in harsh environments such as high temperature, cold weather and high humidity areas, durable. Good workmanship: The design of the hex socket cap can be easily driven by Allen screws and does not slip so easily, it also has a thin edge, preventing sharp edges on the surface, resulting in reduced the risk of injury. To use countersunk screws, the drill hole must be countersunk. The flush mounting on the surface of the screw connection ensures that these screws are interesting in many areas of application. Scope of application: Suitable for door handles, faucet, bracket, knobs, fittings, plumber and other small repairs in the workshop, garage or home, ideal for use in tight spaces as a fastener, as well as for industrial and construction fasteners M6 x 20mm countersunk head screws with hexagon socket Type: Countersunk screw Full Thread: M6 (Metric, 6mm) Length: 20mm / 0.79inch Material: Stainless steel Head shape: Countersunk head with hexagon socket Scope of delivery: 40*M6x20mm Countersunk Screw