... T87135) Tolerance INT: ISO4394 H8-H96) Roughness(Ra): 0.2 to 0.8µ7) Type: cold drawing, normalizing treatment, honing8) ... Condition: BK, BKW, BKS, NBK, GBK9) Prime quality of raw material from famous steel mill. High precision on the ... tolerance of tube size10)The tubes are specialized in hydraulic cylinder, and other cylinders.automobile parts, motorcycle part, shock absorber Ready to honed ...