The Dormer Pramet A125 11/32 Inch x 400 mm HSS Straight Shank Extra Long Series Drill (BS 328) is built for precision and reach in demanding drilling tasks. With a robust design and long flute length, this drill is ready to tackle deep holes in a variety of materials while maintaining a clean, accurate bore from start to finish.

• Diameter and length: 11/32 inch diameter (approximately 8.74 mm) with a generous 400 mm overall length, designed for deep-hole applications where standard bits fall short.
• 118° conventional point: A strong, easy-to-regrind point that bites quickly into the workpiece, helping to minimize wandering and improve first-pass accuracy.
• Steam oxide finish: The protective steam oxide coating reduces heat and friction at the cutting edge, helping to resist built-up edge and prolong tool life.
• Premium HSS material: High-speed steel formulation delivers reliable performance across a range of materials, including steel, aluminum, and stainless steel, making it a versatile choice for mixed-workflow shops.
• Extra long series: Specifically engineered for drilling very deep holes and applications where extended reach is essential, without compromising rigidity or cutting performance.
• Straight shank: Standard straight shank ensures broad compatibility with common drill chucks and collets, delivering secure grip and smooth operation.
• Versatile use: Ideal for use in drill presses, milling machines, CNC setups, and other machine tools where deep penetration and consistent hole quality are required.

Whether you’re fabricating a long, through-hole assembly, working in tight spaces, or chasing precision across multiple materials, the A125 extra-long drill delivers dependable performance, repeatable hole quality, and extended reach in a single, reliable tool. For best results, pair with appropriate speeds and feeds for the material at hand, and maintain the cutting edge with regular regrinding to preserve sharpness and longevity.