內(nèi)徑百分表

1.用于測量內(nèi)徑尺寸   For internal measurement.
2.帶可換測頭，測量范圍大   Changeable anvils for wide measuring ranges.
3.百分表完全用堅固的防護罩保護   With indicator protective cover.
4.插入式可換測頭，使用方便   Interchangeable contact points, easy to use.
5.滾輪式定位護橋   Roller aligning bridge.
6.配φ57mm普通表圈百分表   Equipped with a φ57mm dial indicator.

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