YINGHUA
YINGHUA 8x8x20x60MM HRC45 Altin Coated 4 Flute Solid Carbide Roughing End Mill
An 8 mm solid-carbide roughing end mill with AlTiN coating and four flutes for milling aluminium, cast iron, steel and stainless steel up to HRC45
- TypeRight-Angle Drills
- Altin coating extends tool life at high temperatures
- Four-flute geometry improves chip evacuation in roughing cuts
- Solid carbide construction handles hardened steel up to HRC45
- 20 mm cutting length enables deeper passes in a single operation
- 60 mm overall length provides reach for cavity milling
Solid Carbide Roughing End Mill
This 4-flute solid carbide roughing end mill is built for CNC milling of aluminium, cast iron, steel, stainless steel and copper. It suits machinists and fabricators who need aggressive material removal in medium-hardness metals.
HRC45 Worked Material Hardness
The cutter is rated for workpieces up to HRC45 hardness, making it the decisive specification for selecting this tool. It matches medium-strength steels and common structural alloys without premature wear.
AlTiN Coating for Heat Resistance
The AlTiN coating reduces friction and handles the heat generated during heavy roughing passes. It requires a rigid CNC setup with appropriate coolant or air blast to clear chips and frees up finishing passes for a separate tool.
Highlights
- Altin coating extends tool life at high temperatures
- Four-flute geometry improves chip evacuation in roughing cuts
- Solid carbide construction handles hardened steel up to HRC45
- 20 mm cutting length enables deeper passes in a single operation
- 60 mm overall length provides reach for cavity milling
Specifications
| Type | Right-Angle Drills |
|---|
Questions about this item
How does the 20 mm flute length affect reach inside a real machine?
The 20 mm flute length gives 20 mm of cutting engagement before the shank contacts the workpiece, so it suits pockets or slots up to that depth without needing a longer tool.
What does the HRC45 hardness rating cap in practice?
HRC45 rates the tool substrate itself; it means the cutter is hardened to 45 HRC and is intended for materials of similar or lower hardness such as aluminum, cast iron, steel, stainless steel and copper.
What shank diameter does the 8 mm figure require for mounting?
The first 8 mm in the specification is the cutting diameter, and the second 8 mm is the shank diameter, so an 8 mm collet or holder is needed to mount the end mill.
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