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Re: CIM direct drive
Mcmaster has a 8mm sprocket (item 2302K1). also they have 2mm keyway (item 90457A100) though the sprocket is unfinished, so youd have to either cut your own keyway into it or send it somewhere to do so. also its a metric sprocket, and I dont know how ISO and ANSI chain play together.
though if you had the abilities to cut out a keyway and bore it, you could just go with a small ANSI sprocket, and custom bore it and key it.
why would you want to direct drive it though?
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