Engineered for dependable roughing in metalworking, the Dormer Pramet C40 8.0 mm HSS-E end mill is a robust choice for shoulder and slot milling, as well as ramping in free-machining steels and copper alloys. Its 4-flute NF flat coarse pitch geometry and flatted Weldon shank deliver strong performance in demanding roughing tasks.

• Diameter x Length of Cut x Overall Length: Ø8 mm, Length of Cut 19 mm, Overall Length 69 mm
• Shank: 10 mm Weldon shank with a flat for secure, slip-resistant clamping
• Material and Finish: Cobalt-based HSS-E with a bright finish for improved wear resistance
• Flutes and Profile: 4-flute roughing end mill with NF flat coarse pitch for efficient material removal
• Helix and Rake: 30° helix and 12° rake angle optimized for shoulder milling, slot milling, and ramping
• DIN Standard: DIN 844 K-compliant shank length and geometry for consistent compatibility
• Applications: Suitable for shoulder milling, slot milling, and ramping in free-machining and plain carbon steel and copper/copper alloys
• Brand: Dormer Pramet

Designed to maximize material removal while maintaining control, this end mill combines a wear-resistant HSS-E cobalt composition with precise geometry for stable cutting in tough alloys. The combination of a Weldon shank, DIN 844 K conformity, and a robust 4-flute setup delivers reliable performance across demanding roughing operations, helping you achieve efficient chip evacuation, consistent feeds, and predictable tool life in everyday shop work.