The Dormer Pramet C822 Woodruff Cutter is a precision 12‑tooth HSS‑E milling tool designed for accurate keyway milling in steel and related alloys. Built with a screwed 10 mm combi shank and DIN 850 compatibility, it delivers reliable performance in demanding workshop environments.

• Diameter: 25.5 mm
• Width of cut: 6 mm
• Overall length: 63 mm
• Teeth: 12
• Shank: Screwed shank with Weldon flat and thread (10 mm combi shank)
• Material and finish: Cobalt-based HSS‑E with bright finish
• Helix and rake: 10° helix, 10° rake angle
• Application: Keyway milling in steel, stainless steel, cast iron, non-ferrous metals and high-temperature alloys
• Standards: DIN 850 compatible

Equipped with a cobalt-based HSS‑E core, this Woodruff cutter combines wear resistance with the ability to cut tough metals cleanly. The 12-tooth geometry ensures efficient material removal while preserving precise keyway dimensions, even in harder materials. The screwed shank with a Weldon flat provides secure, repeatable clamping and minimizes runout for consistent results across multiple passes. Ideal for machine shops and production environments, it supports reliable keyway milling in steel, stainless steel, cast iron, non‑ferrous metals, and high‑temperature alloys, delivering dependable performance from setup to finish.