Description
Solid carbide roughing end mill with optimised special knuckle profile for high metal removal.

Application
For roughing machining, particularly suitable for full-slot machining.

Features
DIN 6527.
HPC geometry.
TiAlN coating.
Helix angle: 30deg with 45deg flute.
Standard-length version.

Advantages
Very high metal removal rate and stable cutting behaviour.

Product Data
Product type: Solid Carbide Roughing End Mill HPC
Article family: 205490
Size: 7 mm

Dimensions
Number of teeth Z: 3
Cutting length Lc: 11 mm
Length L1: 16 mm
Neck diameter D1: 5.5 mm
Overall length L: 58 mm
Shank diameter Ds: 8 mm
Corner chamfer width at 45deg: 0.3 mm
Feed fz steel <900 N/mm^2: 0.04 mm
Feed fz steel <1100 N/mm^2: 0.033 mm

Cutting Data
Aluminium: 280 m/min
Aluminium cast >10% Si: 200 m/min
Steel <500 N/mm^2: 120 m/min
Steel <750 N/mm^2: 105 m/min
Steel <900 N/mm^2: 100 m/min
Steel <1100 N/mm^2: 70 m/min
Steel <1400 N/mm^2: 60 m/min
Hardened steel <55 HRC: 35 m/min
INOX <900 N/mm^2: 60 m/min
INOX >900 N/mm^2: 50 m/min
Titanium >850 N/mm^2: 90 m/min

Notes
205482 and 205490 are new-generation products. Recommended successor products: 205548 and 205550 respectively.