NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
ISO 4204
ISO 4204
Countersinks, 90 degrees, with Morse taper shanks and detachable pilots
Title (German)
Kegelsenker 90°, 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