精度校正環(huán)規(guī)直徑78MXTZ-80.004mm6-8mm60mm8mm78MXTZ-100.004mm8-10mm60mm8mm78MXTZ-12.50.004mm10-12.5mm60mm12.5mm78MXTZ-160.004mm12.5-16mm62mm12.5mm78MXTZ-200.004mm16-20mm62mm20mm78MXTZ-250.004mm20-25mm67mm20mm78MXTZ-350.004mm25-35mm67mm30mm78MXTZ-500.004mm35-50mm67mm42.5mm78MXTZ-750.004mm80mm62.5mm78MXTZ-1000.004mm80mm87.5mm