99% alumina ceramic part -A variety of specifications available -Good insulation performance - ... , knife, slitter, tweezers, tools, fixture, clamp, chuck, nozzle, guide, frame, lining, and grinding media, milling ball or beads.These precision toleranced ... .005Straightness 0.005Parallelism0.01Planeness0.005Roughness 0.05Fit clearance0.005 99% alumina ceramic part& ceramic shaft