Description
High-performance end mill with strengthened core and offset chip breakers.

Application
For general-purpose TPC milling.

Features
Optimised bending strength.
Ground recess.
Offset chip breakers.

Advantages
Controlled chip breaking at high dynamic path speeds.

Product Data
Product type: Solid Carbide Milling Cutter TPC With Chip Separators
Article family: 203093
Diameter: 20 mm

Dimensions
Cutting length Lc: 60 mm
Length L1: 70 mm
Neck diameter D1: 19.8 mm
Overall length L: 126 mm
Shank diameter Ds: 20 mm
Number of chip separators: 2
Corner chamfer width at 45deg: 0.4 mm
Feed fz: 0.097 mm

Cutting Data
Aluminium: 380 m/min
Steel <500 N/mm^2: 340 m/min
Steel <750 N/mm^2: 300 m/min
Steel <900 N/mm^2: 230 m/min
Steel <1100 N/mm^2: 150 m/min
INOX <900 N/mm^2: 120 m/min
INOX >900 N/mm^2: 100 m/min

ISO Code
Aluminium: N
Steel <500 N/mm^2: P
Steel <750 N/mm^2: P
Steel <900 N/mm^2: P
Steel <1100 N/mm^2: P
Steel <1400 N/mm^2: P
Hardened steel: H
INOX <900 N/mm^2: M
INOX >900 N/mm^2: M
Titanium >850 N/mm^2: S

Notes
Maximum TPC machining depth: 0.05xD. For finishing use No. 204016, 204018 or 204019.