Dormer Pramet A777 2.90 mm HSS-E STRAIGHT SHANK JOBBER DRILL DIN 338

The Dormer Pramet A777 2.90 mm HSS-E Straight Shank Jobber Drill (DIN 338) is a precision drill bit designed for reliable metalworking across a range of materials. With a 2.90 mm diameter and a straight shank, it fits standard drill chucks and delivers consistent hole quality for engineers, machinists, maintenance technicians, and hobbyists alike.

Built for demanding tasks, this heavy‑duty drill combines a 135-degree split point for self-centering and easier starts, a bronze oxide finish to reduce material sticking, and a premium HSCO composition that covers steel, aluminium, and stainless steel. The result is improved accuracy, cleaner edges, and long tool life in everyday and challenging applications.

• 135° Split Point: Self-centering start reduces wandering and lowers the push force required, helping you locate holes quickly and accurately.
• Bronze Oxide Finish: Minimizes sticking of workpiece material to the cutting edge and supports better chip flow for cleaner holes.
• Premium HSCO Material: Delivers versatile wear resistance for drilling a variety of metals, including steel, aluminium, and stainless steel, with extended tool life.

With the A777 drill, you gain reliable performance in a compact, easy-to-use tool that speeds setup, reduces rework, and delivers consistent results across materials. The straight shank ensures compatibility with common chucks, while the 2.90 mm diameter provides precise pilot and finishing holes. Whether you’re building prototypes, performing routine maintenance, or tackling tough materials, this drill bit helps you achieve accurate holes, smooth finishes, and dependable long-term use.