General description SwissTech 20.00MM 10 HSS-Co 8% 4 Flute Weldon Shank Long Series End Mills are designed for precision machining with a TiCN coating that enhances cutter life and improves the surface finish of work materials. These end mills are center cutting and feature a Weldon shank, making them suitable for various applications in metalworking. 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: TiCN Cutting Direction: Right Hand Flute Type: Helical Length Type: Long Plunge Type: Centre Cutting Series: 10 Shank Type: Weldon Flat Shank Diameter Tolerance: h6 Standards Met: DIN 1835B, DIN 844 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 surface finish), and HSS-Co 8% TiALN Coated (dissipates and