Dormer Pramet C822 10.5mm x 2.5 mm HSS-E Screwed Shank Woodruff Cutter DIN 850

The Dormer Pramet C822 Woodruff Cutter is a precision tool designed for accurate keyway milling in steel and a wide range of alloys. Built to DIN 850 with a cobalt-based HSS-E body and a screwed shank, it delivers reliable performance for production runs and demanding repairs.

• Diameter: 10.5 mm
• Width of cut: 2.5 mm
• Overall length: 50 mm
• Teeth: 8
• Material: Cobalt-based HSS-E with bright finish
• Helix angle: 10°
• Rake angle: 10°
• Shank: 6 mm combi shank with Weldon flat and thread
• DIN standard: DIN 850
• Applications: Keyway milling in steel, cast steel, stainless steel, cast iron, non-ferrous metals and high-temperature alloys

Designed for durability and precision, this Woodruff cutter maintains sharpness under challenging materials and provides clean, consistent slots. The 10° helix and 10° rake reduce cutting forces and improve chip evacuation, while the cobalt-based HSS-E construction offers enhanced wear resistance and heat tolerance. The 6 mm combi shank with Weldon flat and thread ensures secure seating and straightforward tool changes, making it a dependable choice for workshops and production environments handling metal keys and related components.