Designed for precise keyway and slot milling in free machining steel, the Dormer Pramet C602 5/8" HSS flatted shank 2-flute slot drill delivers reliable, repeatable performance for shoulder milling, slot milling, and ramping. This regular-length end mill is built to seat securely in standard holders and deliver clean, accurate keyways with each pass.

• Diameter: 5/8" (15.875 mm)
• Shank: 5/8" Weldon shank for secure, repeatable seating
• Length of Cut: 1-5/16" (1.3125")
• Overall Length: 3-3/4" (95 mm)
• Flutes: 2-flute design for efficient chip evacuation in free machining steel
• Material/Finish: High-speed steel (HSS) with bright finish
• Helix Angle: 30° for smoother cutting and reduced deflection
• Type: Regular length keyway end mill / slot drill
• Standards: ANSI standard
• Applications: Shoulder milling, slot milling, and ramping in free machining steel

This tool is optimized for producing clean, accurate keyways with minimal chatter and dependable tool life. The 30° helix balances chip removal and surface finish, while the two-flute geometry supports steady cutting in softer steels. The Weldon shank ensures a firm grip in your end mill holder or collet, helping you achieve precise depth and width on every keyway. Whether you’re fabricating gears, shafts, or transmission components, this end mill delivers reliable performance for common keyway milling tasks.