... - M17 - M18 - M20 - M21 - M22 - M24 - M26 Dowty seals,Rubber covered washer, shakeproof washer, Bonded Seals, Usitringen, Multiseals:5/8 ... 95 Shore)Covered the most BUNA, FLUOROELASTOMER, SILICONE, EPR, NEOPRENE, TEFLON, POLYURETHANE, POLYMYTE MATERIALS.Only cooperate with the factories or ... type in different sizes.good quantity , better price. rubber covered washer , shakeproof washer, multi seals