... &BV,meet RoSH,reach Stainless Steel Shaft ,metal machine shaftQuality control: Dimensional check througout the production procesures ... machineslathes, tapping machines, screw machines, thread rolling machine, rolling machine, drill press, punch press and other process equipments ... gauge,various gauges, thread gauge, digital display micrometer, dial indicator, mm card slot card, the inner hole caliper ...