NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[CURRENT]
ISO 8830
ISO 8830
High-speed steel machine taps with ground threads; technical specifications
Title (German)
Geschliffene Gewindebohrer aus Schnellarbeitsstahl; Technische Lieferbedingungen
Responsible national committee
NA 121-01-04 AA - Taps and dies