Dormer Pramet A125 11.00 mm x 310 mm HSS Straight Shank Extra Long Drill (BS 328)

Engineered for professionals who demand depth, precision, and reliability, the Dormer Pramet A125 delivers an exceptional combination of reach and performance. This 11.00 mm diameter drill from the Extra Long Series is built with a straight shank and a 310 mm overall length, making it the go-to choice when you need to access deep cavities, blind holes, or workpieces that sit far from the chuck.

• 118-degree conventional point. A robust, sharp tip that starts cleanly and resists wandering, while staying easy to re-grind for extended tool life.
• Steam oxide finish. Reduces friction and prevents workpiece material from sticking to the cutting edge, promoting smoother cutting and easier chip flow.
• Extra long length series. Specifically designed for drilling very deep holes and applications requiring extended reach without compromising rigidity.
• Premium HSS material. Versatile across a range of metals including steel, aluminium, and stainless steel, balancing hardness with toughness for demanding machining environments.
• Straight shank design. Broad machine compatibility and dependable alignment in a variety of drilling setups, from benchtop units to larger milling centers.

This drill is ideal for machinists, fabricators, and workshop technicians who routinely tackle deep-drilling tasks, long-reach projects, or setups where tool accessibility is limited. It excels in metalworking applications—from automotive components and aerospace assemblies to general fabrication—where precision, durability, and extended reach matter most. For best results, pair with appropriate cutting fluids and maintain sharpness through regular regrinding to preserve performance and extend tool life.