The Dormer Pramet C167 8.0 mm HSS-E plain shank 2‑flute standard length slot drill is designed for precise slotting and shoulder milling in free‑machining steel and copper alloys. Built for professional workshops, it delivers dependable performance in a compact, durable package.

• Diameter: 8.0 mm
• Number of flutes: 2
• Length of cut: 19 mm
• Overall length: 180 mm
• Shank: 8 mm plain shank
• Material: Cobalt-based HSS‑E with bright finish
• Helix angle: 30°
• Rake angle: 12°
• Applications: Shoulder milling and slot milling in free‑machining steel and copper/copper alloys
• Standard specification: Dormer standard C167

In practical use, the 2‑flute design provides efficient chip evacuation and stable cutting in slots and shoulders. The cobalt‑based HSS‑E substrate offers enhanced hardness and heat resistance, extending tool life when machining tough free‑machining steels and copper alloys. The 30° helix reduces cutting forces for smoother operation, while the 12° rake angle improves chip control and surface finish. With an 180 mm overall length, you gain reach for deeper slots and pockets, and the 8 mm plain shank ensures compatibility with a wide range of standard milling holders. This drill is well suited for repeatable slot milling, keyway preps, and precision shoulder milling in industrial settings.