Meet the Dormer Pramet C122 12.0mm HSS-E PLAIN Shank 2 Flute Extra Long Series Slot Drill—a long-reach tool designed for shoulder milling and slot milling in free‑machining steels and copper alloys.

• Diameter: 12.0 mm
• Length of cut: 45 mm
• Overall length: 110 mm
• Flutes: 2-flute design for efficient chip control and smooth cutting action
• Shank: Plain shank, 12 mm
• Material: HSS‑E cobalt-based with bright finish for enhanced wear resistance
• Helix angle: 30° for effective chip evacuation
• Rake angle: 12° to support shoulder milling
• Series: Extra Long series aligned with Dormer standard
• Applications: Shoulder milling and slot milling in free‑machining steel and copper/copper alloys

This combination of extended reach and robust HSS‑E cobalt construction delivers reliable performance in demanding milling tasks. The tool’s 12 mm plain shank ensures secure seating in compatible collets, while the 30° helix and 12° rake angle promote steady cutting, clean chip formation, and a straightforward finish in through-holes, slots, and deep pockets. Ideal for shops needing a single, long-reach solution for precision milling on common engineering materials.