The Dormer Pramet C615 5/8 Inch HSS Flatted Shank 4 Flute End Mill Regular Length is a durable milling tool designed for shoulder, slot milling, and ramping in free-machining steels and copper alloys. Built for reliable, everyday production work, it pairs a solid HSS flute with a secure Weldon shank for steady performance in standard milling setups.

• Diameter: 5/8" (0.625")
• Flutes: 4-flute design for efficient material removal
• Length of cut: 1-5/8" (1.625")
• Overall length: 3-3/4" (3.75")
• Shank: 5/8" Weldon flat shank for secure grip
• Material and finish: High-speed steel (HSS) with bright finish
• Helix angle: 30° for smooth cutting and effective chip evacuation
• Standards: ANSI-compliant
• Applications: Shoulder milling, slot milling, and ramping
• Recommended materials: Free-machining steels and copper or copper alloys

Engineered for dependable performance, the 4-flute geometry and 30° helix deliver efficient material removal and clean chip flow, helping maintain steady feeds and good surface finishes. The bright HSS construction offers durability for routine milling work, while the Weldon shank provides a robust, repeatable grip in standard toolholders, reducing runout and vibration. Ideal for production environments, this end mill handles shoulder and slot milling tasks and ramping into free-machining steel and copper alloys with consistent results and predictable tool life.