The Dormer Pramet C428 13.0mm HSS-E powder metallurgical end mill is a short-series roughing tool built for dependable metal removal in shoulder milling, slot milling, and ramping. Designed for demanding materials, it delivers consistent performance with a compact, reliable profile.

• Diameter: 13.0 mm
• Length of Cut: 26 mm
• Overall Length: 83 mm
• Reach with Neck Relief: 37.5 mm
• Shank: Weldon 12 mm
• Material / Coating: HSS-E powder metallurgical with Alcrona Primax coating
• Flutes: 4
• Helix: 35°
• Rake Angle: 12°
• Profile: HRA asymmetrical fine pitch
• Standard: DIN 844 K
• Intended Use: Shoulder milling, slot milling, and ramping
• Material Range: Alloy and tool steel, stainless steel, cast iron, copper/copper alloys, and high-temperature alloys

With a 4-flute geometry and a progressive asymmetrical fine-pitch profile, this end mill balances aggressive material removal with smooth transitioning, helping reduce vibration and improve reliability on tough workpieces. The powder-metallurgical HSS-E substrate paired with the Alcrona Primax coating enhances wear resistance and heat tolerance, extending tool life in demanding applications. Its DIN 844 K shank and substantial reach enable stable tools for pocketing, shoulder features, and ramp-entry operations across a range of common engineering metals.