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Bob Tascione

    Hi Marc,
    As far as I know the KWM reamers fit the American System bushings OD. This is the impression I’ve always been under. I’ve noticed recently though that some places like Butterworths offers bronze American bushings that can be used for either Bergeon or KWM. I don’t know if those are just “bronze” bushings made in America or they are the “American System” bushings. I really don’t know much about this topic and maybe someone else up here can help clear this up for us. Just to be on the safe side I would suggest specifying when ordering that you want “American System bushings” to be used with KWM reamers (if that’s what you want to use).
    Enjoy Marc,