


主要用于工件的孔径测量,
三点内径千分尺利用螺旋副原理进行读书,测量精度更高,
配备校对环规(100mm以下)
配有接长杆适应深孔测量
测量面为合金钢或硬质合金
| 测量范围 | 分度值 | 校对环规 | 接长杆 |
| 6 -12mm | 0.001mm | 8mm 10mm | 5.8* 100mm |
| 10 -12mm | 0.001mm | 10mm | 5.8* 100mm |
| 12 -20mm | 0.005mm | 16mm | 10.8* 150mm |
| 20 -50mm | 0.005mm | 25mm 40mm | 17*150mm |
| 50 -100mm | 0.005mm | 62mm 87mm | 23.5* 150mm |