Genmitsu MC40A — Ball Nose 2-Flute (Nano Blue)
Genmitsu
Overview
2-flute ball nose end mill with TiAlN nano blue coating. Shank: 1/8in (3.175mm). Cutting dia: 1/8in. Tip radius: 1/16in. Flutes: 2. Max RPM: 30,000. Ball tip enables smooth 3D contour and curved surface machining.
Properties
Difficulty
intermediate
Pros
- Required for 3D relief carving
- Smooth contoured surfaces
- Versatile — roughing and finishing
- Inexpensive in MC40A set
Cons
- Stepover must be tuned carefully — too coarse = visible scallops
- Slower than flat end mill for same material removal
- Tip is most fragile point — avoid plunge cuts
Best For
- 3D relief carving
- smooth surface contouring
- rounded channels and flutes
- lithophanes in wood or HDPE
- organic shapes
- 3D signs
Avoid For
- Flat-bottomed pockets (use flat end mill)
- through cuts
- any operation needing flat floor
- production pocketing
Storage
Dry storage.
Brands
Genmitsu (SainSmart)