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Vari Dia Machine 60-80mm Dia - 3061TC
These variable diameter drill bits are of heavier construction than ref. 349WS. Suited for production work e.g. repetitive machining in abrasive materials. Regular checking of hole diameter is recommended however. Not for use with hand held powertools or routers.
D=60-80 mm
Overall length=80 mm
Shank Diameter=1/2 inch
Includes: