General description The IRWIN HSS TCT Tip Drill Bit is designed for precision drilling in hard materials such as hardened steel, cast iron, bronze alloys, and manganese alloyed steel. Featuring a tungsten carbide (TCT) tip, this drill bit can handle materials with a hardness of up to 50 Rockwell C. Its durable construction ensures it is suitable for intensive applications, providing accurate centering and reducing drilling pressure for efficient work. Technical specifications Type: TCT HSS drill bit Diameter: 6.0 mm Total length: 93 mm Working length: 57 mm Material: Chrome-vanadium steel Coating: Tungsten carbide (TCT) Hardness: 50 HRC (tip) Recommended coolant: Emulsion 3-6% Compatibility and accessories Suitable for use with standard drill chucks Compatible with various drilling machines Installation Insert the drill bit into a compatible drill chuck Ensure the bit is securely tightened before use Usage Use with appropriate coolant or lubricant to prolong tool life Apply steady