The Dormer Pramet C139 18.0 mm HSS-E-Powder Metallurgy with TiCN coating is a high-precision slot drill designed for reliable slot milling, shoulder milling, and ramping. Built for professional workshops, it handles free-machining steels, cast iron, copper or copper alloys, and titanium alloys with consistent performance.

• Diameter: 18 mm
• Length of cut: 32 mm
• Overall length: 92 mm
• Reach with neck relief: 43.5 mm
• Shank type: 16 mm Weldon flat
• Coating & core: TiCN-coated HSS-E powder metallurgy for improved wear resistance
• Flutes: 2-flute design for efficient chip clearance in slot milling
• Helix & rake: 30° helix with 12° rake for clean shoulders and smooth ramping
• DIN standard: DIN 844 K compliance for interchangeability and reliability
• Applications: Slot milling, shoulder milling, ramping in free machining steel, cast iron, copper alloys, and titanium alloys

With its robust HSS-E powder metallurgy construction and TiCN coating, this drill delivers enhanced wear resistance and extended tool life in demanding workpieces. The 2-flute geometry promotes rapid chip evacuation and reduces clogging in slots, while the Weldon flat ensures secure seating in the holder for consistent depth control. Whether you’re milling slots, shaping shoulders, or ramping into an opening, the C139 is engineered to provide stable, precise performance across a range of metals and alloys.