Ceramic Ferrule for Stud Welding, ceramic ferrule with Shear stud connector in welding, ceramic ferrule, stud welding, welding gun, Shear Connector, unthreaded studs and threaded studs, alumina ceramic, technical ceramic, Arc Studs, cordierite ceramic We are a Chinese supplier of ceramic ferrules for Studs Welding, Ceramic ferrule for unthreaded studs and threaded studs, such as UF, RF, RF-6, D1837, D0166, D0628, UF-12, M18, 6mm FD (Full Diameter),8mm FD, 10mm FD, 8mm RB (Reduced Base), 10mm RB, 6mm Sprig FD. The steel structure column head jointing nails and ceramic protective or guard rings is formulated with cordierite. And by molding, vinegar, calcining, etc. The specification is as follows: 6, 8, 10, 13, 16, 19, 22 ordinary and penetrable etc. This product is widely used for magnetic force floating railway engineer, building bridge, building railway, large power plant, plane depot that needs wide span.They are made of cordierite, also can be called ceramic protective or guard rings. Main Benefits 1. Good concentricity and consistency. 2. Excellent wear and heat resistance. 3. High strength, endurability and anti-aging performance. 4. Extremely precise design as well as customized products. Mw, we could make the ceramic ferrules according to your demands. MaterialsDiameter(mm) 5 6 8 12 30. carton.