Dormer Pramet C299 20.0mm HSS-E-Powder Metal Flatted Shank End Mill Multi-Flute Standard Length End Mill DIN 844 K

The Dormer Pramet C299 20.0 mm HSS-E Powder Metallurgical End Mill is a precision four-flute milling tool designed for shoulder milling, slot milling, and ramping in a wide range of steels and alloys. Built for reliability in demanding shop environments, it delivers consistent performance from first cut to finish.

• Diameter: 20.0 mm
• Flutes: 4-flute design for strong cutting action and good chip evacuation
• Length of cut: 38 mm
• Overall length: 104 mm
• Reach with neck relief: 53.5 mm
• Shank: 20 mm Weldon shank for secure clamping
• Material: HSS-E powder-metallurgical with bright finish for outstanding wear resistance
• Helix angle: 45° for efficient chip removal and smooth cutting in a variety of materials
• Rake angle: 12° optimized for shoulder milling and ramping
• Standards: DIN 844 K for reliable interchangeability and compatibility
• Applications: Shoulder milling, slot milling, and ramping in plain carbon steel, alloy steel, tool steel, ferritic/martensitic/super-austenitic stainless steels, duplex or precipitation-hardening stainless steels, cast iron, copper and copper alloys, and high-temperature alloys

This end mill blends the strength of powder-metallurgy HSS-E with a bright finish to provide durable edge retention and smooth cutting performance across tough materials. The 45° helix and 12° rake angle are tuned to deliver efficient chip formation, reduced tool deflection, and clean, accurate pockets and slots. With a DIN 844 K standard and a robust 20 mm Weldon shank, it suits professional machining centers and high-demand production environments where consistency and tool life matter.