Precise Woodruff cutter built for high‑efficiency keyway milling in steel and related alloys. The Dormer Pramet C822 combines cobalt‑based HSS‑E performance with a screwed shank for dependable toolholding and DIN 850 compatibility.

• Diameter: 22.5 mm
• Width of Cut: 6 mm
• Overall Length: 63 mm
• DIN Standard: DIN 850
• Shank: 10 mm combi shank with Weldon flat and thread
• Material: Cobalt‑based HSS‑E with bright finish
• Helix / Rake: 10° helix and 10° rake angle
• Applications: Keyway milling in steel, cast steel, stainless steel, cast iron, non‑ferrous metals and high‑temperature alloys

These features deliver reliable, repeatable cuts with strong wear resistance and excellent heat tolerance. The cobalt‑based HSS‑E construction provides long tool life under demanding milling conditions, while the Weldon‑flat, threaded shank ensures secure alignment in compatible holders for precise keyway profiles. With a compact 63 mm overall length and 22.5 mm cutting diameter, this cutter offers controlled reach and stable chip evacuation across a range of metals, helping you achieve clean, accurate keyways in both hard and soft materials.