Irwin HSS TCT Tip Drill Bit 3.5mm OL70mm WL39mm IRW10502626

General description The Irwin HSS TCT Tip Drill Bit is engineered for precise drilling in hardened materials. It features a tungsten carbide tip for enhanced durability and efficiency, making it suitable for use with stationary drilling machines. This drill bit excels in drilling hardened steel, cast iron, bronze alloys, and manganese steel, providing accurate centering and requiring low drilling pressure due to its four-faceted ground tip. Technical specifications Diameter: 3.5mm Total length: 70mm Working length: 39mm Body material: Chrome Vanadium Steel, hardened to 56 Rockwell C Tip material: Tungsten Carbide Maximum hardness for drilling: 50 Rockwell C Compatibility and accessories Compatible with stationary drilling machines Recommended coolant: 3-6% emulsion for optimal performance and longevity Installation Insert the drill bit into the drill chuck, ensuring it is securely tightened Use appropriate safety equipment and follow standard drilling procedures Usage Use with