The Dormer Pramet C11 18.0 mm HSS-E powder metallurgical slot drill is a compact, high-precision tool designed for slot, shoulder milling and ramping in free-machining steels and copper alloys. Built for reliability in tight pockets and shallow slots, it delivers consistent performance across demanding milling tasks.

• Diameter: 18.0 mm
• Series / Flutes: Short-series, 2-flute slot drill
• Length of cut: 19 mm
• Overall length: 79 mm
• Reach with neck relief: 30.5 mm
• Shank: Weldon shank, 16 mm
• DIN standard: DIN 327 D
• Material: HSS-E, powder-metallurgical, bright finish
• Helix angle: 30°
• Rake angle: 12°
• Applications: Slot milling, shoulder milling and ramping
• Recommended materials: Free-machining steel and copper or copper alloys

Equipped with a powder-metallurgical HSS-E composition and a bright finish, this drill combines wear resistance with toughness for longer tool life in challenging materials. The 30° helix facilitates efficient chip formation and evacuation, while the 12° rake supports stable cutting forces during shoulder milling and ramping motions. The Weldon 16 mm shank ensures secure seating in collets and holders, delivering minimal runout and consistent accuracy for precise slot dimensions.