... blank, any size and design avaialalbe, tengsten Tungsten carbide seal ring:Materials: cemented carbide, tungsten carbide, hard alloy and non-ferrous ... ×d×H10~3502~3003~80 Ring with outerShoulder YTD×d×H Ring with innerShoulder NTD×d×H Ring with inner-Outer Shoulder NYD ... , non-ferrous metal and pipes, various drills for geology use, tools for machine manufacture and wearing parts.