General description SwissTech 12.00MM HSS-Co 8% 3 Flute Weldon Shank Slot Drills are designed for general production machining. These uncoated drills are made from Cobalt High Speed Steel (M42) and feature a Weldon shank for secure mounting. Technical specifications Cutter Diameter: 12.0mm Cutter Diameter Tolerance: e8 Cutting Direction: Right Hand End Mill Type: Slot Drill Finish/Coating: Uncoated Flute Length: 22.0mm Flute Type: Helical Length Type: Regular Material: Cobalt High Speed Steel Material Grade: M42 Number of Flutes: 3 Overall Length: 79.0mm Plunge Type: Centre Cutting Series: 6 Shank Diameter: 10.0mm Shank Diameter Tolerance: h6 Shank Type: Weldon Flat Standards Met: DIN 844, DIN 1835B Other information