Required operations:
1. Facing of 1 mm using facemill tool of 40 mm DIAMETER (ET23)
2. Holes depth is 10 mm for all holes, use drill of 8 mm diameter (ET16)
3. Use tool number 3 (ET3) for the pocket, it's depth is 5 mm.
4. For drilling and endmilling, feed is 100 mm/min, rotational speed is 2000 rpm.
5. Use drilling cycle G81 for holes drilling, with R2. Use drill tool number 16 (ET16)
Stock size is 50x50x20 mm