Description
Full-radius solid carbide ball nose slot drill with long main flutes.

Application
For copy milling and deep contour machining.

Features
Type N.
Two cutting edges.
30 deg helix.
Ground recess.
Uncoated.
Long main flutes.

Advantages
Extended flute length for deeper reach.

Product Data
Product type: Solid Carbide Ball Nose Milling Cutter
Article family: 207135
Size: 4 mm

Dimensions
Diameter: 4 mm
Cutting length Lc: 30 mm
Overall length L: 75 mm
Shank diameter Ds: 4 mm
Feed fz steel <900 N/mm^2: 0.023 mm
Feed fz steel <900 N/mm^2 alternate: 0.025 mm

Cutting Data
Aluminium and plastics: 230 m/min
Aluminium: 180 m/min
Aluminium cast >10% Si: 140 m/min
Steel <500 N/mm^2: 90 m/min
Steel <750 N/mm^2: 80 m/min
Steel <900 N/mm^2: 70 m/min

Notes
GARANT family only.