The Dormer Pramet C922 is a 20 mm diameter roughing end mill designed for aggressive material removal in demanding metals. Featuring a powder-metallurgical HSS-E core with Alcrona Primax coating and an HRA asymmetrical fine-pitch profile, it excels at shoulder milling, slot milling, and ramping across tough alloys.

• Diameter: 20 mm
• Number of Flutes: 3
• Cutting Length: 38 mm
• Overall Length: 104 mm
• Reach with Neck Relief: 53.5 mm
• Shank: Weldon 20 mm
• Material & Coating: Powder-metallurgical HSS-E with Alcrona Primax coating
• Helix & Rake: 35° helix, 12° rake
• Profile: HRA asymmetrical fine-pitch
• DIN Standard: DIN 844 K
• Applications: Shoulder milling, slot milling, and ramping
• Material Range: Suitable for alloy and tool steel, stainless steel, cast iron, copper or copper alloys, and high-temperature alloys

Designed to deliver reliable and efficient performance in challenging milling tasks, the C922 supports steady chip formation and controlled cutting forces. The combination of a long reach with neck relief and a robust 3-flute geometry helps maintain productivity in deep pockets and tight cavities, while the Alcrona Primax coating reduces friction and enhances wear resistance for longer tool life in tough metals.