We are a Chinese supplier of ceramic ferrule for Stud 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.

Ceramic ferrules 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.
 
Also we can make  ceramic ferrule according to your requirement