| D57 Geometry - The stable one |
| For average machining conditions |
| Can be used universally |
| One wave on the flank face |
| Optimized wear characteristics for a significantly longer tool life |
| Optimum cutting data due to a reduction in visible wear rate |
| Maximum process reliability thanks to the tough cutting edge |
| Gold colored top layer provides optimum wear detection |
| Excellent combination of wear resistance and toughness for milling |
| For moderate to high cutting speeds, dry milling or use with coolant, roughing steel and cast iron workpieces |
| +/-0.025 mm cutting edge tolerance |
| +/-0.025 mm inscribed circle tolerance |
| +/-0.13 mm thickness tolerance |
| 1.2 mm width face chamfer |
| 4 cutting edges |
| 40 to 60 deg double countersink hole |
| 90 deg approach |
