The Dormer Pramet C306 9.0 mm slot drill is a compact, three-flute tool designed for precise shoulder, slot milling and ramping in constrained spaces. Built for free-machining and copper alloys, it combines a powder-metallurgy HSS-E core with a robust Weldon shank for dependable performance in demanding milling tasks.

• Diameter: 9.0 mm
• Flutes: 3
• Length of cut (LOC): 11 mm
• Overall length: 61 mm
• Shank: Weldon, 10 mm
• Material: HSS-E with powder metallurgy, Primax
• Finish: Bright
• Helix angle: 30°
• Rake angle: 12°
• Standard: DIN 327 D
• Applications: Shoulder milling, slot milling and ramping in free-machining steel and copper/copper alloys

Designed to deliver clean slots and precise features in tight work envelopes, this tool prioritizes rigidity and control. The combination of a short overall length and a solid 10 mm Weldon shank helps minimize deflection, while the 30° helix and 12° rake promote efficient chip formation and smooth cutting action. The DIN 327 D standard ensures reliable compatibility with common tool holders, making it a dependable choice for small-diameter milling in both general engineering and fabrication environments.