NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
ISO 4207
ISO 4207
Counterbores with Morse taper shanks and detachable pilots
Title (German)
Flachsenker mit Morsekegelschaft und auswechselbarem Führungszapfen
Responsible national committee
NA 121-01-03 AA - Countersinks, core drills and reamers of high-speed steel and hard metal tips