Vorteck Cobalt HSS Drill Bits, 4 mm

Advanced Vorteck Tip Technology: Precision-engineered Vorteck tip technology revolutionizes the drilling process by breaking it down into multiple micro-cuts, efficiently dispersing swarf to enhance cutting speed and ensure a smoother operation Versatile Application: Designed for high-performance in tough materials such as high-strength steels, stainless steels, cast iron, as well as nonferrous metals, plastics, and wood, delivering exceptional versatility across demanding applications M35 Cobalt Construction: Constructed with high-grade M35 HSS with 5% Cobalt, these bits are engineered for superior heat dissipation, extending tool life and reducing the risk of burnout in heavy-duty applications Quick Lock Hex Shank: Equipped with a 6.3mm (¼”) quick-lock hex shank, compatible with impact drivers and standard drill chucks, allowing for fast, secure bit changes and enhanced user convenience Diameter: 4 mm / Length: 70 mm