| A57 Geometry - The special one |
| For unfavorable machining conditions |
| Maximum cutting edge stability |
| High feed rates |
| Straight border (no 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 |
| 0.08 to 0.2 mm cutting edge tolerance |
| 0.05 to 0.15 mm inscribed circle tolerance |
| +/-0.13 mm thickness tolerance |
| 1.6 mm width face chamfer |
| 2 cutting edges |
| 40 to 60 deg double countersink hole |
