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  1. MFredriksen

    Machining 321 Stainless Steel

    Try cobalt bits. I work a lot with stainless 304/308 and these are the only ones that actually last longer than one hole. Try cutting fluid and a low speed.
  2. MFredriksen

    How much Draw for Interference fit on a Taper

    Why not go with a standard tapered fitting? Key the shaft and adapter. What kind of rpm are you shooting for?
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