Dormer Pramet C122 7.0mm HSS-E PLAIN Shank 2 Flute Extra Long Series Slot Drill

Engineered for deep slots and precise shoulders, the Dormer Pramet C122 7.0 mm HSS-E Plain Shank 2-Flute Slot Drill delivers dependable performance in free‑machining steel and copper alloys. Its extra-long form and cobalt-based HSS‑E construction provide durability and reach where it matters most.

• Diameter: 7.0 mm
• Flutes: 2
• Length of cut: 33 mm
• Overall length: 85 mm
• Shank type: 8 mm plain shank
• Material: HSS‑E (cobalt-based) with bright finish
• Helix angle: 30°
• Rake angle: 12°
• Standards: Dormer standard
• Application: Slot milling and shoulder milling

These specifications translate into tangible benefits: the 7 mm cutting diameter is precise for narrow slots and accurate shoulders, while the 33 mm length of cut enables deep milling without re‑positioning. The 8 mm plain shank fits common collets and holders, reducing setup time. The HSS‑E cobalt construction maintains hardness at higher speeds, extending tool life on tough materials. The 30° helix supports smooth chip evacuation and a clean finish, and the 12° rake angle helps reduce cutting forces during shoulder and slot milling. Suitable for free‑machining steel and copper alloys, it’s a dependable choice for production runs that demand consistent results and fewer tool changes.