Meet the Dormer Pramet C615 3/4 Inch HSS Flatted Shank End Mill — a durable, four-flute tool crafted for shoulder and slot milling in free-machining steels and copper alloys. Its regular-length geometry makes it versatile for a range of milling tasks in professional shops.

• Diameter: 3/4" cutting diameter (19.05 mm)
• Flutes: 4-flute configuration for steady cuts and improved surface finish
• Shank: Weldon-style flatted 3/4" shank to prevent slipping in the holder
• Length of cut: 1-5/8" (41.3 mm) LOC for deeper pockets
• Overall length: 3-7/8" (98.7 mm) for enhanced reach
• Material and finish: High-Speed Steel (HSS) with bright finish for wear resistance and easy cleanup
• Helix angle: 30° for efficient chip evacuation and smooth entry
• Standards: ANSI-compliant geometry for compatibility with standard toolholding
• Applications: Shoulder milling, slot milling, and ramping in free-machining steel, plain carbon steel, and copper/copper alloys
• Brand: Dormer Pramet — trusted for precision cutting tools

With its 4-flute design and 30° helix, this end mill balances material removal with surface finish, helping you achieve accurate pockets and clean shoulders on the first pass. The flatted Weldon shank provides reliable clamping, reducing tool slip in your milling setup. The 1-5/8" LOC and 3-7/8" overall length give you the reach needed for medium-depth milling without changing tools frequently, while the bright HSS core resists wear in common shop materials. This end mill is well-suited for general-purpose milling in free-machining steel, plain carbon steel, and copper alloys, making it a versatile choice for job shops and production environments alike.