This 9.5mm Irwin HSS TCT drill bit provides precision drilling capability at a larger intermediate diameter for hardened materials. The 9.5mm size is particularly useful for specific clearance and tolerance requirements in industrial applications where standard 9mm or 10mm sizes don't provide the exact fit needed. Equipped with a C2 tungsten carbide tip, this drill bit excels at penetrating hardened steel, cast iron, bronze alloys, and manganese alloyed steel up to 50 Rockwell C hardness. The fo
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