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Thread: HSS Drill

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  1. #1
    Join Date
    Apr 2018
    Posts
    19

    HSS Drill

    I've got a .625 HSS / Cobolt spot drill then coming in with a .625 HSS Black Oxide drill into 316L. What would be a good speed and feed for those.
    Any suggestions would be graet,
    Thank you, Bob

  2. #2
    Join Date
    Sep 2005
    Posts
    267

    Re: HSS Drill

    I would run them at 50 sfm and around .008 per rev

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