ceramic ball bearing ring~

Any spec ceramic pin gauge or ceramic mold punch and other precision parts.
Quantity can be made on customers demand.Material:Tungsten Carbide,Ceramic,metal.

Quality description:
roughness<Ra 0.15mm~0.20mm,density>6.0g/cm3,hardness>HRc58,
Product precision:+/-0.001mm,+/-0.002mm,+/-0.005mm.
Roundness:0.0005mm
Diamter:0.5mm~50mm
Length:10mm~150mm