外径千分尺(A型)/OUTSIDE MICROMETERS(TYPE A)

外径千分尺广泛应用于外尺寸的精密测量，各项精度指标符合国家标准。根据用户不同的使用要求，提供测量面镶硬质合金(A型)与不镶合硬质合金两种产品。

The outside micrometers are widely used for the precise measurement of external dimensions, and all their accuracy indexes conform to GB standard. Two types of products, with and without the measuring surface covered with carbide, can be supplied according to the different requirements of customers.