The Dormer Pramet C123 1/4 Inch HSS-E-Powder Metallurgical 2-Flute Slot Drill is a precision tool designed for slot milling, shoulder milling, and ramping in steel, cast steel, and copper alloys. With a DIN 844 K standard and a robust Weldon 10 mm shank, it delivers dependable performance across demanding milling tasks.

• Diameter: 1/4" (6.35 mm)
• Length of cut: 16 mm
• Overall length: 66 mm
• Shank: Weldon, 10 mm
• Material: HSS-E powder metallurgical
• Finish: Bright
• Flutes: 2
• Helix angle: 30°
• Rake angle: 12°
• Standard: DIN 844 K
• Applications: Shoulder milling, slot milling, and ramping in steel, cast steel, and copper alloys
• Brand: Dormer Pramet

Designed to deliver clean, precise cuts, this slot drill excels at creating accurate slots and shoulders with stable chip control. The powder-metallurgical HSS-E core provides improved hardness and wear resistance, helping the tool maintain a sharp edge over longer runs. The 2-flute configuration supports efficient chip evacuation in slots, while the 30° helix and 12° rake geometry optimize cutting forces for smoother operation and reduced vibration. With a hardened 10 mm Weldon shank, it locks securely in standard tool holders, ensuring reliable performance in busy production environments. Ideal for engineers and machinists working with steel, cast steel, and copper alloys, this drill delivers consistent results across common milling tasks without the need for frequent tool changes.