Presto 50mm Extra Long Taper Shank HSS Drill Bit - 500mm

Achieve precision in deep-hole drilling with the Presto Extra Long Taper Shank Drill Bit. Designed for industrial and heavy-duty applications, this 50mm diameter bit is engineered for use on machines to handle demanding tasks with efficiency. Made from High Speed Steel (HSS), it maintains its hardness even when subjected to high temperatures during intense operation. This general-purpose drill is highly versatile, capable of drilling through steels with tensile strength up to 1,000 N/mm2, as well as cast steel, grey cast iron, malleable cast iron, nickel brass, and graphite. The steam tempered surface features a black oxide coating that improves heat resistance, provides lubricity, and offers protection against corrosion, extending the overall life of the tool. To ensure the best results and tool longevity, follow recommended cutting speeds, use sufficient lubrication, and employ frequent pecking during the drilling process. Whether you are working with iron or brass, this extra long drill bit provides the reach and durability needed for professional-grade results.