Description
Solid carbide ball nose milling cutter with special geometry and coating.

Application
For stainless and acid-resistant steels.

Features
Type N.
Four cutting edges.
45 deg helix.
Ground recess.
TiAlN coating.
Centre-cutting teeth.
Tolerance radius contour +/-0.005 mm.

Advantages
Can be used as a true four-edge drill at all depths of cut.

Product Data
Product type: Solid Carbide Ball Nose Milling Cutter HPC Long Reach
Article family: 207478
Size: 8 mm

Dimensions
Diameter / shank variant: 8 mm
Cutting length Lc: 12 mm
Overall length L: 100 mm
Shank diameter Ds: 8 mm
Feed fz INOX <900 N/mm^2: 0.025 mm
Feed fz INOX >900 N/mm^2: 0.028 mm

Cutting Data
Steel <500 N/mm^2: 250 m/min
Steel <750 N/mm^2: 230 m/min
Steel <900 N/mm^2: 200 m/min
Steel <1100 N/mm^2: 160 m/min
INOX <900 N/mm^2: 95 m/min
INOX >900 N/mm^2: 85 m/min

Notes
New generation available. Successor product: 207474.