NA 121
DIN Standards Committee Tools and Clamping Devices
Standards
[Withdrawn]
DIN 209
DIN 209
Machine Reamers with Screwed-on Blades
Title (German)
Maschinen-Reibahlen mit aufgeschraubten Messern
Responsible national committee
NA 121-01-03 AA - Countersinks, core drills and reamers of high-speed steel and hard metal tips