Ceramic Ferrule for Stud Welding /ceramic protective ring/ceramic guard rings /cordierite ceramic/technical ceramic/alumina ceramic/ceramic ferrule for Shear stud connector/ceramic ferrule for Arc Studs /ceramic ferrule for unthreaded studs and threaded studs 

We are a Chinese supplier of ceramic ferrules for Studs Welding, 
Ceramic ferrule for unthreaded studs and threaded studs, such as UF, RF 

They are made of cordierite, also can be called ceramic protective or guard rings 
And by molding, dry press for getting semifinished products, calcining, etc. The specification is as follows: Φ 6\Φ 8\Φ 10\Φ 13\Φ 16\Φ 19\Φ 22 and so on. 

Main Benefits of alumina ceramic ferrule for stud welding
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. 

Also we can make ceramic ferrule according to your requirement