General description SwissTech 20.00MM HSS-Co 8% Threaded Shank Multi Flute End Mills are designed for general production machining. These uncoated end mills feature a threaded shank and are suitable for various machining applications. Technical specifications Cutter Diameter: 20.0mm Flute Length: 38.0mm Overall Length: 104.0mm Material: Cobalt High Speed Steel Material Grade: M42 Number of Flutes: 4 Shank Diameter: 20.0mm Shank Diameter Tolerance: h6 Standards Met: DIN 1835D, DIN 844 Cutting Direction: Right Hand End Mill Type: End Mill Finish/Coating: Uncoated Flute Type: Helical Length Type: Regular Plunge Type: Centre Cutting Series: 36 Shank Type: Threaded Other information