The Dormer Pramet C601 5/8 x 1/2 Inch HSS Flatted Shank 2-Flute Slot Drill is a reliable, versatile end mill built for shoulder milling, slot milling, and ramping in free machining steel. Designed for practical shop use, it combines solid dimensions with a robust HSS core for consistent performance.

• Diameter: 5/8" (0.625") cutting diameter
• Length of Cut: 1-1/8" (1.125") for productive shallow shoulders and slots
• Overall Length: 3-3/8" (3.375") for accessible reach in tight workholding
• Flutes: 2-flute geometry optimized for slot and shoulder milling in free machining steel
• Shank: 1/2" Weldon shank with flatted profile for secure seating and alignment
• Material & Finish: High-speed steel (HSS) with bright finish for durability and easy edge retention
• Helix Angle: 30° to promote smooth cutting, efficient chip evacuation, and stable ramping
• Standard Compliance: ANSI standard compatibility for reliable interoperability with common holders and collets

This end mill is purpose-built to deliver steady performance in free machining steel, offering predictable cutting action, clean slotting, and dependable edge life. The 2-flute design provides efficient material removal and clear chips, while the flatted shank helps reduce slipping in holders, enhancing accuracy during shoulder and slot operations. With a practical reach and a balanced, rigid feel, it’s well-suited for technicians who need a dependable, all-around slot drill for everyday milling tasks.