●Since the bearing surface and threaded portion are sealed with rubber during fastening, there is a high sealing effect.●Lubricant stopping effect is high due to the vibration absorbing property of rubber.●The rubber is in contact with the object to be fastened, there is a sound absorbing effect, insulation effect, and it is difficult to scratch the bearing surface.●Nominal Diameter:M6●Outer Diameter (mm):16.0●Inner Diameter (mm):7.0●Thickness t (mm):2.7●Stainless Steel(SUS304)●Neoprene Rubber