The Dormer Pramet C122 16.0mm HSS-E Plain Shank 2-Flute Long Series Slot Drill is a precision cutting tool crafted for deep slots and shoulder milling in free‑machining steels and copper alloys. With its long reach and robust build, it’s built for reliability in challenging pocketing and slotting applications.

• Diameter: 16.0 mm
• Length of cut: 58 mm
• Overall length: 140 mm
• Reach with neck relief: 69.5 mm
• Shank: 16 mm plain shank
• Material and finish: HSS‑E cobalt‑based with bright finish
• Flutes: 2
• Helix angle: 30°
• Rake angle: 12°
• Series: Extra Long
• Standards: Dormer standard
• Primary uses: Shoulder milling and slot milling in free machining steel and copper/copper alloys

Designed to deliver consistent performance where deep slots and precise shoulder milling are required, the C122 slot drill combines a rugged cobalt‑based HSS‑E substrate with a geometry optimized for efficient chip evacuation. The 30° helix promotes smooth cutting action and effective chip removal, while the 12° rake angle supports steady shearing across free machining steels and copper alloys. The extra‑long design and neck relief provide substantial reach for deep pockets and complex pockets without compromising rigidity in typical workshop setups.