Reply by vipond33

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Posted on Shopsmith Brad Point Drill Bits

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1405 posts in 2698 days

#1 posted 02-18-2013 04:48 AM

I’m not sure if we’re talking the same bits, but I have a full set of these from about 1980 (including the 1” size). To the best of my knowledge they were made by the Forest City Tool Works out of North Carolina.
They are fine performers and well designed with a scoring rim (ridge) just slightly above the cutting spur.

With this feature they cut very clean but are susceptible to burning if run too fast.

-- gene@toronto.ontario.canada : dovetail free since '53, critiques always welcome.

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