The Dormer Pramet C11 28.0 mm HSS-E powder metallurgical slot drill is a purpose-built tool for precise slot milling, shoulder milling, and ramping in tight pockets. Designed for machinists working with free-machining steel and copper alloys, it delivers dependable performance in compact setups.

• Diameter: 28.0 mm
• Length of cut: 26 mm
• Overall length: 102 mm
• Reach with neck relief: 45.5 mm
• Shank: Weldon, 25 mm
• Flutes: 2
• Material: HSS-E Powder Metallurgical (PM-HSS-E)
• Finish: Bright finish
• Helix angle: 30°
• Rake angle: 12°
• Standard: DIN 327 D
• Applications: Slot milling, shoulder milling, and ramping
• Compatible workpieces: Free-machining steel and copper or copper alloys

This tool’s 2-flute design combined with a 30° helix provides steady cutting action and efficient chip evacuation in softer, free-machining materials. The powder-metallurgical HSS-E composition offers balanced toughness and wear resistance for repeated cycles, while the bright finish helps minimize built-up edge during extended use. With a compact 102 mm overall length and a Weldon 25 mm shank, it’s well-suited for tight fixtures and pockets, delivering precise slots and clean shoulders in a range of practical machining scenarios.