SY/T 6861-2012 in English

本标准规定了钻头规的技术要求、计量特性、校准条件、校准项目和校准方法、叫住你结果处理和复校时间间隔。
本标准适用于新制造、使用中和修理后测量范围为100mm～510mm,分度值为0.05mm的钻头仪及分度值为1.00mm的钻具量规（以上的两种统称为钻头规）的校准。

Scope

This standard specifies the technical requirements, metrological characteristics, calibration conditions, calibration items and methods, calibration result processing and recalibration time intervals of drill bit gauges. This standard is applicable to the calibration of drill bit gauges with a measuring range of 100mm to 510mm and a graduation value of 0.05mm and drill tool gauges with a graduation value of 1.00mm (the above two are collectively referred to as drill gauges) that are newly manufactured, in use and after repair. .