ISO 8830:1991 Preview
High-speed steel machine taps with ground threads -- Technical specifications
This standard was last reviewed and confirmed in 2018. Therefore this version remains current.
Describes material and hardness, cutting geometry, run-out tolerances, and the marking. Applies to standard taps in accordance with ISO 529, ISO 2283, ISO 2284, and ISO 2857.
Buy this standard
A standard is reviewed every 5 years
Revisions / Corrigenda