Description
Irwin Metric TCT Drill Bits are designed for precision drilling in hardened steel, cast iron, and bronze alloys. Featuring a C2 Carbide Tip, these bits can handle materials up to 50 Rockwell C hardness. The Chrome Vanadium Steel body is hardened to 56 Rockwell C, ensuring durability. Use with a 3-6% emulsion coolant to extend the drill bit's lifespan.
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