The Dormer Pramet C353 30.0 mm HSS-E-Powder Metallurgy with Alcrona Primax coating is a compact, high-precision three-flute slot drill designed for demanding slot, shoulder milling and ramping in a range of metals. Its extra-short series and robust Weldon shank make it ideal for tight spaces and high-precision work.

• Diameter: 30.0 mm
• Length of cut: 26.0 mm
• Overall length: 102 mm
• Reach with neck relief: 45.5 mm
• Shank: Weldon 25 mm
• Flutes: 3
• Material & coating: HSS-E powder metallurgy with Alcrona Primax coating
• Helix angle: 30°
• Rake angle: 12°
• Standard: DIN 327 D
• Applications: Slot milling, shoulder milling, and ramping in steel, cast steel, cast iron, copper alloys, copper, and titanium alloys

With a powder-metallurgical HSS-E substrate and the wear-resistant Alcrona Primax coating, this drill delivers dependable wear resistance and balanced cutting performance across common engineering materials. The 30° helix promotes smooth chip formation and efficient material removal, while the 12° rake angle supports controlled cutting action in shoulder and ramping operations. The DIN 327 D form factor and 25 mm Weldon shank ensure secure clamping in a wide range of milling machines, enabling consistent alignment and reduced runout in precise, high-tidelity slots.