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Machine Shop and Tool Talk

Left handed drill bits


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Old 04-10-2019, 02:34:05 AM
cobbadog cobbadog is offline
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Default Left handed drill bits

Hi guys,
We went away to a small rally last weekend and caught up with a number of other collectors of old tractors and stationary engines. One of them had a jar partly filled with drill bits that curiously all had the cutting edges snapped off. He asked me if I knew anything about them as he grinned I knew something was not normal. It took me a while but then I noticed that the flutes all were running the opposite direction of a normal drill bit and they were all broken.
what would be the reason for these drill bits to cut in the opposite direction? I am stumped on it other than drilling out broken studs and hoping it helps free them up.
Look forward to the replies on this one!
Sorry I have no photos of them.
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