Stainless steel shells pad main role is to increase the contact area, spread the pressure and prevent the texture of soft crushed. Materials are SUS304 and SUS316, common specifications large inventory spot sales. Common standards GB / T97 GB / T96 DIN125 GB848 DIN9021 and so on. In use can increase the contact area between the screw and the machine, reducing wear and tear, flat pad full general in connection with a relatively soft another called hard brittle. For more information on the standard hardware Products Co., Ltd. Qingdao workers http; // www. qdgbwj. com / product / above information is provided by Kunshan Freese!