Dormer Pramet C346 11.0 mm HSS-E long-series slot drill, built for shoulder and slot milling in free machining steel and copper alloys. This 3-flute end mill combines a durable cobalt-based HSS-E body with a robust Weldon shank for deep, precise cuts and reliable repeatability.

• Diameter: 11.0 mm
• Length of cut: 45 mm
• Overall length: 102 mm
• Shank: Weldon 12 mm (flatted)
• Material: Cobalt-based HSS-E with bright finish
• Flutes: 3
• Helix angle: 30°
• Rake angle: 12°
• Standard: DIN 844 L
• Applications: Shoulder milling and slot milling in free machining steel and copper or copper alloys

This tool is designed to deliver clean slots and precise shoulders with efficient chip evacuation. The 3-flute configuration offers a balanced blend of material removal rate and surface finish, while the HSS-E cobalt base provides enhanced wear resistance for longer tool life in challenging materials. The 30° helix optimizes cutting action and chip flow, and the 12° rake angle helps reduce cutting forces for steadier milling. With DIN 844 L standard compatibility, it fits a wide range of holders and machines, making it a dependable choice for deep-pocket work and complex shoulder features in production or job-shop environments.