NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
ISO 4205
ISO 4205
Countersinks 90°, with parallel shanks and solid pilots
Title (German)
Kegelsenker 90° mit Zylinderschaft und festem Führungszapfen
Responsible national committee
NA 121-01-03 AA - Countersinks, core drills and reamers of high-speed steel and hard metal tips