| FM4 Geometry - Periphery precision sintered |
| Finishing and fine finishing operations on stainless steels, high temperature alloys and steel |
| Excellent chip breaking behavior at low feed rates and low cutting depth |
| 40 to 60 deg double countersink hole |
| 4 cutting edges |
| WSM20S - Machining operations on automatic bar machines and multi-spindle machines |
| Applicable on high temperature alloys and austenitic stainless steels |
| 0.08 to 0.202 mm corner point tolerance |
| +/-0.13 mm thickness tolerance |
| 0.05 to 0.152 mm inscribed circle tolerance |
| 0.05 to 0.16 mm feed/rev |
| 6.35 mm cutting edge length |
| 11 deg rake |
