General description SwissTech 20.00MM HSS-Co 8% 3 Flute Threaded Shank Short Series Slot Drills are designed for precision machining. These uncoated drills are suitable for general production machining and feature a threaded shank for secure attachment. Technical specifications Cutter Diameter: 20mm Cutter Diameter Tolerance: e8 Cutting Direction: Right Hand End Mill Type: Slot Drill Finish/Coating: Uncoated Flute Length: 38mm Flute Type: Helical Length Type: Short Material: Cobalt High Speed Steel Material Grade: M42 Number of Flutes: 3 Overall Length: 104.0mm Plunge Type: Centre Cutting Series: 32 Shank Diameter: 20mm Shank Diameter Tolerance: h6 Shank Type: Threaded Standards Met: DIN 327, DIN 1835D Other information