This International Standard specifies characteristics for high-speed steel machine taps with ground threads. It applies to standard taps in accordance with ISO 529, ISO 2283, ISO 2284, and ISO 2857. These specifications may be applied to non-standard taps by agreement between purchaser and supplier. The terminology is derived from ISO 5967:1981, Taps and thread cutting — Nomenclature of the main types and terminology. NOTE 1 The characteristics specified in this International Standard may also be applied to hand finishing taps.
GSO ISO 8830:2015 history
2015GSO ISO 8830:2015 High-speed steel machine taps with ground threads -- Technical specifications