General description SwissTech 20.00MM Series 10 HSS-Co 8% 4 Flute Weldon Shank Long Series End Mills are designed for precision cutting and durability. These end mills feature a TiAlN coating that enhances heat resistance and reduces friction, making them ideal for high-performance machining tasks. The series is compliant with DIN 844 standards and is available in various coatings to suit different machining needs. Technical specifications Cutter Diameter: 20mm Flute Length: 75mm Overall Length: 141mm Shank Diameter: 20mm Number of Flutes: 4 Material: Cobalt High Speed Steel Material Grade: M42 Finish/Coating: TiAlN Cutting Direction: Right Hand Flute Type: Helical Length Type: Long Plunge Type: Centre Cutting Shank Type: Weldon Flat Shank Diameter Tolerance: h6 Standards Met: DIN 844, DIN 1835B Compatibility and accessories Available in different coatings: HSS-Co 8% Uncoated (for general production machining) HSS-Co 8% TiCN Coated (extends cutter life and improves work material