Questions tagged [bit]
7 questions
20
votes
2 answers
What type of tool or bit is a metal shaft with splines?
I inherited a load of tools from my father. Among them was this bit. I have never seen one like it, and don't know its purpose. It has six straight splines set at an angle to the long axis of the bit and sharpened to act as cutters. The diameter at…
John Seater
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