The Dormer Pramet C123 3.5mm HSS‑E‑Powder Metallurgical slot drill is a precise, two‑flute tool designed for slot milling, shoulder milling, and ramping in steel, cast steel, and copper alloys. Built to DIN 844 K and featuring a robust 6 mm Weldon shank, it delivers reliable performance in a compact, standard‑length format.

• Diameter: 3.5 mm
• Number of flutes: 2
• Length of cut: 10 mm
• Overall length: 54 mm
• Shank: 6 mm Weldon shank for secure drive
• Material and finish: Powder‑metallurgical HSS‑E with bright finish for wear resistance
• Helix angle: 30° for efficient chip evacuation
• Rake angle: 12° for shoulder, slot milling, and ramping
• DIN standard: DIN 844 K
• Applications: Shoulder milling, slot milling, and ramping in steel, cast steel, and copper/copper alloys

This combination of geometry and advanced powder metallurgy provides durable performance with clean, accurate slots and a smooth cutting action. The two‑flute design aids chip clearance in narrow slots, while the 30° helix and 12° rake optimize cutting efficiency and edge stability. Perfect for machining professionals and shops that require dependable slot and shoulder milling results in a range of steel and copper alloy workpieces.