接管式内径千分尺（碳素纤维）

1.⽤于内径尺⼨测量   For measuring inside diameter.
2.精密接⻓管可保证精度不受旋合⼒⼤⼩变化的影响   Precision rods can gurantee the accuracy of measurement be free of the influence of threads resultant of forces.
3.接⻓管由碳纤维管制成，碳纤维管有耐油、耐酸、抗腐蚀、轻便及在⾼温和低温环境下性能保持不变的特点   The extension tube is made of carbon fiber tube. The carbon fiber tube has the characteristics of oil resistance, acid resistance, corrosion resistance, light weight, and its performance remains unchanged in both high-temperature and low-temperature environments.
4.精度指标:符合国家标准GB/T8177   Accuracy: According to GB/T8177.

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