This 6.5mm Irwin HSS TCT drill bit offers precision drilling capability at an intermediate diameter, ideal for specific engineering applications in hardened materials. The 6.5mm size provides the exact clearance needed when standard sizes don't meet your tolerance requirements, particularly in precision engineering and assembly work. The C2 tungsten carbide tip is engineered to handle the toughest drilling challenges, penetrating hardened steel, cast iron, bronze alloys, and manganese alloyed st
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