Standard [CURRENT]
DIN 212-3:2011-02
Maschine reamers with parallel shanks - Part 3: NC-Reamers, dimensions
- German title
- Maschinen-Reibahlen mit Zylinderschaft - Teil 3: NC-Reibahlen, Maße
- Publication date
- 2011-02
- Original language
- German
- Pages
- 7
- Publication date
- 2011-02
- Original language
- German
- Pages
- 7
- DOI
- https://dx.doi.org/10.31030/1739050
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This standard DIN 212-3 applies for NC-reamers with stepped parallel shank with a shank tolerance h6, made of high speed steel for conventional chucks and for use as NC-reamers in expansion clamping chucks according to DIN 69882-7 and shrink chucks according to DIN 69882-8. The specification of Types A, B and C are analogous to DIN 212-1 and DIN 212-2 and other reamer standards, for example, DIN 208, DIN 219. This standard has been prepared by the Tools and Clamping Devices Standards Committee (FWS), Working Committee NA 121-01-03 AA "Senker, Aufbohrer und Reibahlen aus Schnellarbeitsstahl und Schneiden aus Hartmetall" ("Counterbores, core drills and reamers made of high speed steel and hardmetal cutting edges").