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Re: Looking for a keyed sprocket
To accomplish without a broach insert a steel shaft in the hole - center punch and then drill a 1/8" hole - insert a steel pin and voila' keyed shaft that holds as well as square - we have used this technique successfully. I pulled it off of a machinist forum a few years back.
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Ken York
Mentor/Coach Team 476 Ponca City OK

An ignorant person is one who doesn't know what you have just found out.
Will Rogers
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