Genmitsu MC40A — Flat Downcut 2-Flute (Nano Blue)
Genmitsu
Overview
2-flute downcut spiral end mill with TiAlN nano blue coating. Shank: 1/8in (3.175mm). Cutting dia: 1/8in. Flutes: 2 downcut. Max RPM: 30,000. Downcut pushes chips DOWN keeping the top surface clean and chip-free.
Properties
Difficulty
beginner
Pros
- Clean top face — no tearout or splintering
- Ideal for veneered and painted materials
- Inexpensive in the MC40A set
Cons
- Chip clearance limited — shallower DOC required
- Not for through-cuts alone (chips pack in)
- Slower feeds than upcut
Best For
- Veneered plywood (keeps top face clean)
- melamine
- MDF where top edge quality critical
- decorative laminate sheet goods
Avoid For
- Deep pocketing without air blast (chips pack)
- through-cuts as only pass (chips pack at base)
- acrylic
Storage
Dry storage.
Brands
Genmitsu (SainSmart)