NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
DIN 343
DIN 343
Morse taper shanc core drills of high-speed steel
Title (German)
Aufbohrer (Spiralsenker) mit Morsekegelschaft aus Schnellarbeitsstahl
Responsible national committee
NA 121-01-03 AA - Countersinks, core drills and reamers of high-speed steel and hard metal tips