Description
Solid carbide ball nose slot drill with corrected cutting form and double-relief-ground side clearance angle.

Application
Especially for MTC use on the new generation of turning and milling centres.

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

Advantages
Corrected cutting form without profile distortion.

Product Data
Product type: Solid Carbide Ball Nose End Mill MTC
Article family: 207450
Size: 4 mm

Dimensions
Diameter: 4 mm
Cutting length Lc: 8 mm
Overall length L: 54 mm
Shank diameter Ds: 4 mm
Feed fz steel <900 N/mm^2: 0.03 mm
Feed fz steel <900 N/mm^2 alternate: 0.037 mm

Cutting Data
Steel <500 N/mm^2: 225 m/min
Steel <750 N/mm^2: 210 m/min
Steel <900 N/mm^2: 180 m/min
Steel <1100 N/mm^2: 145 m/min
Steel <1400 N/mm^2: 140 m/min
INOX <900 N/mm^2: 85 m/min

Notes
New generation available. Recommended successor product: 207490.