The Dormer Pramet C246 4.0 mm HSS-E end mill is a compact, high-precision cutting tool designed for metalworking professionals who demand reliable performance in free‑machining steels, cast iron, and nonferrous alloys. Built for shoulder milling, slot milling, and ramping, it delivers steady material removal with a durable TiCN-coated HSS-E core.

• Diameter: 4.0 mm
• Flutes: 4-flute design for strong cutting action and efficient chip evacuation
• Length details: 11 mm length of cut (LOC) and 55 mm overall length (OAL), DIN 844 K standard
• Shank: 6 mm Weldon shank for secure clamping and repeatable accuracy
• Material & coating: Powder-metallurgical HSS‑E with TiCN coating for enhanced wear resistance
• Helix & rake: 30° helix and 12° rake angle optimized for shoulder milling, slot milling, and ramping
• Applications: Suitable for plain carbon and alloy steel, cast-iron, copper or copper alloys, and titanium or titanium alloys

This end mill blends a robust 4-flute geometry with a hardened TiCN surface to extend tool life in tough materials while maintaining precise tolerances. The 6 mm Weldon shank provides dependable retention in standard collets and holders, reducing runout and vibration during aggressive cuts. With its DIN 844 K specification, you’ll get consistent performance across compatible milling setups, making it a reliable choice for shops that prioritize efficiency and accuracy in everyday machining tasks.