Dormer Pramet A110 4.10 mm HSS ST STRAIGHT SHANK LONG SERIES DRILL DIN 340

Meet the Dormer Pramet A110 4.10 mm HSS ST Straight Shank Long Series Drill DIN 340—a purpose-built solution for deep-hole drilling where reach and reliability matter. This drill is designed to tackle extended-hole projects with consistent performance and precision.

Conventional 118° point geometry delivers a robust, self-centering tip that resists wander on entry and holds its edge well enough to be re-sharpened when needed. The 118° angle is a smart balance between strength and ease of regrinding, helping you extend tool life while maintaining accurate hole starts.

The steam oxide finish (steam tempered) reduces workpiece material from sticking to the cutting edge, promoting cleaner entry and smoother hole walls across a range of materials. This surface treatment is a practical advantage in production environments where chip control and surface finish matter.

As a long-series drill with a straight shank, the A110 line is expressly designed for drilling deeper holes and reaching into recessed or awkward locations. The extended flute and overall lengths reduce the need to swap tools mid-project and enable reliable performance in both hand-held and machine applications.

Material and versatility come together in this high-speed steel (HSS) drill. It’s suitable for drilling a variety of metals, including steel, aluminium, and stainless steel, making it a flexible choice for mixed-material projects, fixtures, and fabrication work. The straight shank ensures broad compatibility with common chucks and holds up well under both manual and automated setups.

Key specifications at a glance:

• Diameter: 4.10 mm
• Material: HSS with steam tempered finish
• Point: 118° conventional point
• Coating/Finish: Steam oxide (steam tempered)
• Shank: Straight
• Standards: DIN 340 (long series drill)
• Length class: Long-series for deep holes and extended reach

Why choose the Dormer Pramet A110 4.10 mm for your shop floor needs? It pairs a durable, re-sharpenable tip with a long-reach design that reduces tool changes and downtime in challenging applications. Whether you’re fabricating metal enclosures, working on automotive components, or performing precision deep-drilling tasks, this drill delivers predictable performance, hole quality, and versatility across multiple materials. Its compatibility with both handheld drills and machine tools makes it a pragmatic, long-lasting addition to any tooling set.