The Dormer Pramet C367 is an extra-short 4.0 mm slot drill designed for precise shoulder, slot milling and ramping in compact spaces. Built for reliability in tough materials, it combines a robust HSS-E substrate with a durable Alcrona Primax coating to deliver clean, accurate cuts.

• Diameter: 4.0 mm
• Length of cut: 7.0 mm
• Overall length: 51 mm
• Shank type: Weldon, 6.0 mm
• Flutes: 3
• Material and coating: HSS-E powder metallurgical with Alcrona Primax coating
• Helix angle: 40°
• Rake angle: 15°
• Standard: DIN 327 D
• Applications: Shoulder milling, slot milling, ramping
• Compatible materials: Free machining steel, stainless steel, wrought aluminium

Designed for tight-work envelopes, this tool minimizes deflection to maintain dimensional accuracy across slots and shoulders. The combination of powder-metallurgical HSS-E and the Alcrona Primax coating extends tool life by reducing wear and improving chip evacuation. With its solid Weldon shank and precise geometry, it delivers consistent finishes and reliable performance in challenging materials, making it a dependable choice for bench-top prototyping, maintenance tasks, and light manufacturing where precision matters.