The Dormer Pramet C123 10.0 mm slot drill is engineered for precise slot and shoulder milling tasks in steel, cast steel, and copper alloys. This two-flute, standard-length drill combines a Weldon 10 mm shank with powder-metallurgical HSS-E for reliable performance and long tool life.

• Diameter: 10.0 mm
• Length of Cut: 22 mm
• Overall Length: 72 mm
• Reach with Neck Relief: 31.5 mm
• Shank: Weldon, 10 mm, DIN 844 K
• Material: HSS-E, powder metallurgical with bright finish
• Flutes: 2
• Helix/Rake: 30° helix, 12° rake angle
• Applications: slot milling, shoulder milling, and ramping in steel, cast steel, and copper/copper alloys

With its 2-flute geometry and powder-metallurgical HSS-E core, this drill delivers efficient chip evacuation and robust wear resistance for dependable slot creation. The bright finish helps reduce built-up edge and improve surface quality, while the 30° helix and 12° rake angle optimize cutting action for smoother ramps and cleaner shoulders. The DIN 844 K standard Weldon shank ensures a secure, true fit in standard toolholding, minimizing runout and vibration. Ideal for professional workshops and fabrication shops, this drill supports consistent performance across multiple materials, including copper alloys and steel components that require precise slots and shoulders.