NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[CURRENT]
ISO 4231
ISO 4231
Hand- and machine-operated circular screwing dies for parallel pipe threads - G series
Title (German)
Runde Hand- und Maschinen-Schneideisen für zylindrisches Rohrgewinde - Reihe G
Responsible national committee
NA 121-01-04 AA - Taps and dies