Dormer Pramet C353 25.0mm HSS-E-Powder Metal Alcrona Primax Flatted Shank 3 Flute Short Series Slot Drill DIN 327 D

Engineered for precision in tight pockets, the Dormer Pramet C353 25.0mm HSS-E-Powder Metallurgical Alcrona Primax slot drill is a three-flute, extra-short tool designed for shoulder milling, slot milling, and ramping. Featuring a DIN 327 D Weldon shank and an Alcrona Primax coating, it combines rigidity with wear resistance for reliable performance across demanding materials.

• Diameter: 25.0 mm
• Flutes: 3-flute design for stable cutting and efficient chip evacuation
• Length of cut: 26 mm
• Overall length: 102 mm
• Reach with neck relief: 45.5 mm
• Shank: Weldon, 25 mm (DIN 327 D)
• Material and coating: Powder-metallurgical HSS-E with Alcrona coating (Primax) for wear resistance
• Helix and rake: 30° helix and 12° rake for shoulder, slot milling and ramping
• Standard: DIN 327 D
• Applications: Shoulder milling, slot milling, and ramping in steel, cast steel, cast iron, copper and copper alloys, and titanium or titanium alloys

This slot drill is ideal for machinists needing a rigid, versatile tool that maintains edge quality in tight pockets. The combination of a short form factor, robust HSS-E core, and wear-resistant Alcrona coating supports longer tool life and consistent finishes across a variety of common engineering materials, making it well-suited for precise pocketing, slotting, and ramping operations on both steel and non-ferrous alloys. The Weldon shank ensures reliable clamping compatibility with standard equipment, enabling repeatable performance on multiple jobs without frequent tool changes.