Product Family
Master Steel Solid Carbide Ball Nose Milling Cutter HPC

Description
- Precision-ground GARANT Master Steel solid carbide ball nose milling cutter.
- Application: For high-accuracy steel machining and contour milling.
- Feature: Type N.
- Feature: Two cutting edges.
- Feature: 28 deg helix.
- Feature: Ground recess.
- Feature: TiAlN coating.
- Feature: Radius contour tolerance +/-0.005 mm.
- Feature: Slight edge honing for improved cutting-edge protection.
- Advantage: Ultra-fine-grain substrate provides high bending strength and long service life.

Product Specification
- Product type: Master Steel Solid Carbide Ball Nose Milling Cutter HPC
- Article family: 207242
- Size: 0.5 mm
- Dimensions - Diameter / shank variant: 0.5 mm
- Dimensions - Cutting length Lc: 1.5 mm
- Dimensions - Overall length L: 38 mm
- Dimensions - Shank diameter Ds: 3 mm
- Dimensions - Feed fz steel <900 N/mm^2: 0.005 mm
- Dimensions - Feed fz steel <1100 N/mm^2: 0.007 mm
- Cutting Data - Steel <500 N/mm^2: 270 m/min
- Cutting Data - Steel <750 N/mm^2: 240 m/min
- Cutting Data - Steel <900 N/mm^2: 220 m/min
- Cutting Data - Steel <1100 N/mm^2: 190 m/min
- Cutting Data - Steel <1400 N/mm^2: 170 m/min
- Cutting Data - Hardened steel <55 HRC: 140 m/min
- Cutting Data - Hardened steel <60 HRC: 130 m/min
- Cutting Data - INOX <900 N/mm^2: 90 m/min
- Cutting Data - INOX >900 N/mm^2: 80 m/min
- Cutting Data - Cast iron: 400 m/min
- Notes - Successor generation to 207240 / 207280 / 207320.