Ⅵ型硬质合金量面游标卡尺

1.量面镶装硬质合金，更具耐磨性  With carbide measuring faces,more wearable.
2.可进行外尺寸、内尺寸、台阶尺寸以及孔径尺寸测量  Can measure OD,ID,step and diameter dimensions.

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