General description SwissTech 4.00MM HSS-Co 8% Weldon Shank Multi Flute 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 centre cutting and feature a Weldon shank that adheres to DIN 1835B standards, making them suitable for various machining applications. Technical specifications Cutter Diameter: 4.0mm Flute Length: 11.0mm Overall Length: 55.0mm Shank Diameter: 6.0mm Number of Flutes: 4 Material: Cobalt High Speed Steel Material Grade: M42 Finish/Coating: TiCN Cutting Direction: Right Hand Flute Type: Helical Length Type: Regular Plunge Type: Centre Cutting Series: 09 Shank Type: Weldon Flat Shank Diameter Tolerance: h6 Standards Met: DIN 844, DIN 1835B Other information