NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
ISO 3294
ISO 3294
Parallel shank countersinks for angles 60, 90 and 120 degrees inclusive
Title (German)
Kegelsenker 60 °, 90 ° und 120 ° mit Zylinderschaft
Responsible national committee
NA 121-01-03 AA - Countersinks, core drills and reamers of high-speed steel and hard metal tips