The Dormer Pramet C352 4.0 mm slot drill is a precision HSS‑E tool designed for slot milling, shoulder milling, and ramping in a variety of metals. With an Alcrona Primax coating and a flatted shank, it delivers reliable performance in demanding workshop environments.

• Diameter: 4.0 mm
• Flutes: 3-flute configuration for efficient chip evacuation and smooth cutting
• Length of cut: 11 mm
• Overall length: 55 mm
• Shank: Flatted 6 mm Weldon shank for secure seating and torque transmission
• Material and coating: HSS‑E powder metallurgy with Alcrona Primax coating for extended tool life
• Helix and rake: 30° helix angle and 12° rake angle optimized for shoulder milling, slot milling, and ramping
• DIN standard: DIN 844 K compliant
• Applications: Shoulder milling, slot milling, and ramping in steel, cast steel, cast iron, copper alloys, and titanium alloys

Designed to tackle precise slots and shoulders with consistent edge quality, this drill excels in metals ranging from everyday steels to harder titanium alloys. The three-flute geometry supports stable cutting and effective chip management, while the HSS‑E powder metallurgy base combined with Alcrona Primax coating reduces wear and helps maintain sharpness over longer production runs. Whether you’re creating slots for fittings, performing subtle shoulder milling, or ramping into pockets, this drill delivers dependable performance and repeatable results—without the guesswork.