The Dormer Pramet C135 2.0mm HSS-E slot drill is a compact, two-flute cutting tool designed for precise slot milling in small features. Built for machinists and workshop operators, its cobalt-based HSS-E construction delivers durability and reliable performance in free machining steel and copper alloys.

• Diameter: 2.0 mm
• Length of cut: 7 mm
• Overall length: 54 mm
• Reach (neck relief): 18 mm
• Shank: 6 mm Weldon shank
• Material and finish: Cobalt-based HSS-E with bright finish
• Flutes: 2
• Helix: 30°
• Rake angle: 12°
• Series: Short-series slot drill
• Application: Slot milling in free machining steel and copper or copper alloys

Designed for clean, accurate slots, this drill combines a tight 2.0 mm diameter with a balanced 7 mm cutting length and a generous 18 mm neck relief to reach into confined areas. The 30° helix smooths chip flow and reduces cutting forces, while the 12° rake enhances penetration and surface finish. The Weldon 6 mm shank provides secure clamping in collets and holders, ensuring repeatable accuracy across jobs. Perfect for precision slot milling tasks in small-scale projects or production environments that work with free machining steel and copper alloys.