Engineered for precision in slot milling, shoulder milling, and ramping, the Dormer Pramet C139 11.0 mm HSS-E-Powder Metallurgical TiCN slot drill is designed for serious metalworking tasks. Its TiCN-coated, powder-metallurgical HSS-E body delivers reliable performance across a range of materials, making it a dependable choice for shop floors that demand consistency and long tool life.

• Diameter: 11.0 mm
• Flutes: 2-flute design for efficient chip evacuation and smooth cutting
• Length of cut: 22 mm
• Overall length: 79 mm
• Shank type: Flatted shank (DIN 844 K) for secure seating in holders
• Material and coating: Powder metallurgical HSS-E with TiCN coating for hardness and wear resistance
• Helix and rake: 30° helix with a 12° rake angle optimized for shoulder and slot milling as well as ramping
• Standard: DIN 844 K
• Applications: Shoulder milling, slot milling and ramping in free-machining steels, cast iron, copper or copper alloys, and titanium or titanium alloys

The combination of a 2-flute geometry and TiCN-coated HSS-E provides efficient material removal and reliable edge retention, helping you achieve clean slots and accurate shoulders even in tougher materials. The flatted shank ensures stable, slip-free mounting, while the DIN 844 K standard guarantees compatibility with common tool holders. Ideal for production environments and maintenance shops, this slot drill supports precise, repeatable results across a broad range of milling scenarios.