NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
ISO 4230
ISO 4230
Hand- and machine-operated circular screwing dies for taper pipe threads; R series
Title (German)
Hand- und maschinenbetätigte runde Schneideisen für kegeliges Rohrgewinde, Reihe R
Responsible national committee
NA 121-01-04 AA - Taps and dies