The Dormer Pramet C615 1/8" HSS Flatted Shank 4-Flute End Mill is a reliable, regular-length milling tool designed for shoulder and slot milling in free machining steels and copper alloys. Built with high-speed steel and a bright finish, it pairs durability with precise, consistent cuts in everyday shop conditions.

• Diameter: 1/8 in (0.125 in)
• Flutes: 4-flute geometry for efficient material removal
• Length of Cut (LOC): 3/8 in
• Overall Length: 2-5/16 in
• Shank: Flatted Weldon shank (3/8 in)
• Material: High-Speed Steel (HSS) with bright finish
• Helix: 30° for stable cutting and good chip flow
• Standards: ANSI regular-length end mill
• Applications: Shoulder milling, slot milling, and ramping
• Compatible Materials: Free machining steel and copper or copper alloys

Designed to deliver dependable performance in a variety of milling tasks, this end mill helps you achieve smooth finishes and accurate dimensions. The 30° helix enhances chip evacuation and surface quality, while the flatted shank provides solid grip in the toolholder, reducing the risk of slippage during heavy cuts. The bright HSS edge resists rubbing wear, helping maintain sharpness through multiple jobs. Ideal for everyday metalworking on free machining steels and copper families, it’s a practical choice for shops prioritizing consistency and value in regular-length milling operations.