Description
Solid carbide ball nose roughing end mill with round knuckle profile.

Application
For roughing, including machining radii.

Features
Type HR.
Four cutting edges.
45 deg helix.
Ground recess.
TiAlN coating.
DIN 6527 dimensions.

Advantages
Stable roughing performance and reliable chip breaking.

Product Data
Product type: Solid Carbide Ball Nose Roughing End Mill 4-Flute
Article family: 207507
Size: 8 mm

Dimensions
Diameter: 8 mm
Cutting length Lc: 16 mm
Overall length L: 63 mm
Shank diameter Ds: 8 mm
Feed fz steel <900 N/mm^2: 0.045 mm
Feed fz steel <900 N/mm^2 alternate: 0.051 mm

Cutting Data
Aluminium: 350 m/min
Aluminium cast >10% Si: 250 m/min
Steel <500 N/mm^2: 160 m/min
Steel <750 N/mm^2: 140 m/min
Steel <900 N/mm^2: 130 m/min
Steel <1100 N/mm^2: 80 m/min
INOX <900 N/mm^2: 80 m/min
Cast iron: 120 m/min

Notes
Successor product to 207512.