General description This high-quality HSS TCT (Tungsten Carbide Tipped) drill bit is designed for precise drilling in hardened steel, cast iron, bronze alloys, and manganese alloyed steel. It features a durable body made from Chrome Vanadium Steel hardened to 56 Rockwell C, and a C2 carbide tip capable of drilling materials up to 50 Rockwell C hardness. The tip is four-faceted for low drilling pressure and accurate centering, ensuring clean and efficient holes. Suitable for stationary drilling machines, this drill bit provides reliable performance for demanding tasks. Technical specifications Diameter: 10.5mm Total length: 125mm Working length: 90mm Body material: Chrome Vanadium Steel, hardened to 56 Rockwell C Tip material: C2 Carbide, capable of drilling materials up to 50 Rockwell C hardness Compatibility and accessories Compatible with stationary drill presses and similar drilling equipment Use with coolant, such as a 3-6% emulsion, to extend drill bit lifespan Installation