General description SwissTech 12.00MM Series 37 HSS-Co 8% 4 Flute Threaded Shank Long Series End Mills are designed for precision machining. These uncoated end mills feature a threaded shank and are suitable for various production applications. Technical specifications Cutter Diameter: 12mm Flute Length: 53mm Overall Length: 110mm Number of Flutes: 4 Shank Diameter: 12mm Shank Diameter Tolerance: h6 Material: Cobalt High Speed Steel Material Grade: M42 Cutting Direction: Right Hand Flute Type: Helical Length Type: Long End Mill Type: End Mill Finish/Coating: Uncoated Plunge Type: Centre Cutting Series: 37 Standards Met: DIN 844, DIN 1835D Compatibility and accessories Threaded shank to DIN 1835D Other information