Dormer Pramet A940 4.50 mm HSS-E HIGH PERF MULT-APP STRAIGHT SHANK LONG SERIES DRILL DIN/ANSI

The Dormer Pramet A940 4.50 mm HSS-E High Performance Multi-Application Straight Shank Long Series Drill (DIN/ANSI) is built for reliable, precision drilling across a broad range of metals. With a focus on accuracy, endurance, and adaptability, this drill is designed to keep pace with demanding fabrication and manufacturing workflows.

• 130-degree point for self-centering starter accuracy and lower push force, helping you reduce guide drift and material wandering during initial engagement.
• Bright finish minimizes built-up edge and material adhesion at the cutting edge, leading to cleaner holes and easier chip evacuation.
• Parabolic flute design enables deeper holes in a single pass, improving throughput on projects that require long, continuous bore opens without repositioning.
• Premium HSS-E material delivers outstanding wear resistance and toughness, suitable for drilling steel, aluminium, and stainless steel without frequent tool changes.
• Long series with straight shank provides compatibility with standard chucks and extended reach in fixtures, producing consistent performance in constrained spaces.
• High performance drilling with tight tolerances capable of achieving high-quality, accurate holes at higher speeds and feeds (H10 hole tolerance), reducing secondary operations and improving part quality.

Whether you’re machining robust steel components, aluminum housings, or stainless assemblies, the A940 drill is engineered to maintain accuracy under demanding conditions. Its combination of a centered point, low thrust, and a parabolic flute makes it well-suited for production environments where uptime and hole quality matter most.

Who benefits most: machine shops, job shops, and manufacturers that perform multi-material drilling with a single drill tool, on long-hole drilling tasks, or when working in tight tolerances is essential.

Practical usage tips: - Match your speed and feed to the material and hole depth to maximize tool life and hole quality. - Use a compatible cutting fluid or dry machining where appropriate to control heat and chip formation. - Inspect the flute for buildup after heavy cutting; clean and re-oil the shank to maintain consistent performance. - Save time on setups by leveraging the drill’s straight shank in standard chucking systems, especially for longer drilling applications.