The Dormer Pramet C367 20.0 mm slot drill is a precision tool designed for slot milling, shoulder milling, and ramping in metalworking. Built with a compact extra-short form and a 20 mm Weldon shank, it delivers dependable performance in tight spaces and demanding materials.

• Diameter: 20.0 mm
• Length of cut: 22 mm
• Overall length: 88 mm
• Reach with neck relief: 37.5 mm
• Shank: Weldon 20 mm
• Flutes: 3-flute design
• Material and coating: HSS-E powder metallurgical with Alcrona Primax coating
• Helix angle: 40°
• Rake angle: 15° (optimized for shoulder milling, slot milling, and ramping)
• DIN standard: 327 D
• Applications: shoulder milling, slot milling, and ramping in free-machining steel, stainless steel, and wrought aluminium

The combination of powder-metallurgical HSS-E and the Alcrona Primax coating provides enhanced wear resistance and reliable performance in tough materials. The 40° helix and 15° rake deliver smooth cutting action, effective chip control, and clean slots, while the compact geometry minimizes deflection in narrow pockets. Ideal for production runs or precision work where consistent slot quality matters.