Irwin 10502689 HSS TCT Tip Drill Bit 10mm

This is a 10.0 mm tungsten carbide tipped (TCT) drill bit designed for precise drilling in hard materials with stationary machines. It features a four-faceted design for reduced drilling pressure and accurate centering, a carbide tip capable of cutting materials up to 50 Rockwell C, and a chrome-vanadium steel body hardened to 56 Rockwell C with a TiN coating for wear resistance. The bit is suited for drilling metals, cast iron, bronze alloys, and manganese steel, delivering reliable performance in demanding applications while maintaining durability over intensive use.

Features

• Diameter 10.0 mm
• TCT carbide tip drills to 50 HRC
• Four facetted ground for centering
• Chrome-vanadium steel body hardened to 56 HRC with TiN
• Works on metals, cast iron, bronze alloys, manganese
• Use coolant emulsion 3-6%

Technical specifications

• Diameter: 10.0 mm
• Total length: 133 mm
• Working length: 87 mm
• Material: Chrome-vanadium steel with TiN coating
• TiN hardness: 50 HRC
• Recommended coolant: Emulsion 3-6%

Always use coolant when drilling with TCT bits; a 3-6% emulsion is recommended to extend drill life.