Dormer Pramet A110 9.50 mm HSS ST STRAIGHT SHANK LONG SERIES DRILL DIN 340

Introducing the Dormer Pramet A110 9.50 mm HSS ST Straight Shank Long Series Drill (DIN 340) — a purpose-built solution for deeper, tougher drilling tasks where reliability matters as much as reach.

Why this drill stands out

• 118-degree conventional point — a strong, easily re-grindable tip that delivers steady starts, reduced wandering, and consistent hole quality from the first cut to the last.
• Steam oxide finish — a smooth, low-friction surface that helps prevent workpiece material from sticking to the cutting edge, promoting cleaner holes and longer edge life.
• Long length series — designed for drilling deeper holes and applications where extra reach is essential, without sacrificing rigidity at the point of entry.
• Premium HSS material — versatile performance across a range of materials, including steel, aluminum, and stainless steel, making it a reliable all-rounder in metalworking shops.
• Straight shank — compatibility with a wide variety of drill chucks and machine spindles, enabling smooth, secure clamping in handheld or machine-driven setups.
• DIN 340 compliance — engineered to align with standard drill dimensions and hole sizes, ensuring dependable interchangeability with common tooling systems.
• Versatility in use — a practical choice for both handheld drilling and fixed-machine operations, offering consistent performance across setups.

How it helps you in real-world work

• Deeper hole drilling: When your project calls for holes beyond the reach of standard drills, the A110 long series delivers reliable accuracy without the need for extensions or re-drilling.
• Material variety: From basic steel fabrication to aluminum components and stainless steel assemblies, this drill handles diverse materials with consistent hole quality.
• Maintenance-friendly: The 118-degree tip is easy to re-sharpen, helping you extend tool life and reduce replacement costs on busy shop floors.
• Handheld and machine-ready: Whether you’re drilling by hand or mounting in a drill press or CNC-compatible setup, the straight shank and robust geometry maintain stability and control.

Practical tips for best results

• Use appropriate cutting speeds and feeds for the material you’re working with; steel and stainless steel typically benefit from cooler cutting with plenty of lubrication to maximize edge life.
• Keep the drill sharp and re-sharpen the 118-degree point when you notice wandering or an increase in chatter to preserve hole concentricity.
• When drilling deep holes, back off periodically to clear chips and prevent clogging, which can degrade hole quality and cause overheating.
• Pair with a suitable coolant or cutting fluid for metals to extend tool life and improve surface finish, especially on harder materials.
• Inspect the shank fit in the chuck or collet to ensure secure seating; a loose grip can introduce runout and degrade accuracy on longer drilling applications.

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