ISO 5059-1:2025

This document specifies the most important design and metrological characteristics of two-point inside micrometers: —    with a scale interval or digital step of 0,001 mm and 0,01 mm; —    with analogue or digital indication. This document is applicable to two-point inside micrometers with and without interchangeable extensions. This document does not apply to micrometers fitted with a dial gauge, or to jaw micrometers.