The Dormer Pramet C139 13.0 mm HSS‑E powder-metallurgy TiCN‑coated slot drill is built for precision slot and shoulder milling. Designed for professionals handling free‑machining steels, cast iron, copper alloys, and titanium alloys, it combines a robust 2‑flute geometry with reliable DIN 844 K compatibility to deliver consistent, clean slots and pockets.

• Diameter and length of cut: 13.0 mm diameter with 26.0 mm length of cut for precise pocketing and slotting
• Overall length and reach: 83.0 mm overall length with 37.5 mm reach (neck relief) for deeper cavities
• Shank and drive: 12 mm Weldon shank with a flatted surface to ensure positive, slip‑free seating in holders
• Material and coating: Powder‑metallurgical HSS‑E substrate with TiCN coating for wear resistance and smooth finished edges
• Geometry: 30° helix and 12° rake angle tailored for shoulder milling, slot milling and ramping
• Flutes: 2‑flute design optimized for efficient chip evacuation in slots and shallow pockets
• Standards: DIN 844 K compliance for reliable interchangeability with standard tooling systems
• Material compatibility: Suitable for free machining steels, plain carbon and alloy steels, cast iron, copper or copper alloys, and titanium alloys

This tool is engineered to deliver dependable performance across a range of materials and operations. The TiCN coating reduces wear and friction, helping maintain a sharp edge through multiple passes, while the powder‑metallurgical HSS‑E substrate provides toughness for interrupted cuts. The flatted 12 mm shank and controlled geometry minimize runout and vibration, enabling precise depth control during slotting, shoulder milling, and ramping tasks. Whether you’re fabricating slots, pockets, or shoulders in challenging materials, the C139 slot drill offers consistent results and long tool life in a compact, standard‑length form factor.