Ceramic sleeve (ceramic bushing) is made of zirconia,silicon nitride.It is a high temperature ceramic bushings and insulation sleeve.ROSEN not only manufacture standard ceramic sleeve.but also supply customized bushes according to your drawing.Our bushes or sleeve are used on M4,M5,M6,M8,M10,M12 welding bolts.Any requests.Welcome you contact our sales.
White Zirconia Ceramic Bushing 
KCF Guide Pin & KCF bushings 
Ceramic Bushing 
Silicon Nitride Ceramic Sleeve 
Ceramic Bushing & Ceramic Sleeve
