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Thread: bolt knobs - where to source

  1. #1

    bolt knobs - where to source

    I need a stainless steel round bolt knob, any ideas where to source in the UK? seems like you can get them everywhere you look in the US, but not here

  2. #2
    just go to an engineering company and have one turned up with the correct thread,atb wayne

  3. #3
    You mean round as in a ball-bearing shape ?
    You can buy stainless steel ball bearing from a bearing supplies, any engineering firm could drill and tap one.
    (as could anybody with a lathe)

    Neil.

  4. #4
    hi i have a few bolt knobs in alum if interested Attachment 13782

  5. #5
    I can find Stainless AISI 316 steel ball bearings for sale in either 19,20 or 25mm. I'm sure one of them would suit. it says they can be drilled.

    now, does anyone here know what AISI 316 means and if it's suitable for the job and to accept drill/tap, weld and then blueing?

    thanks guys.

  6. #6
    Quote Originally Posted by PKL View Post
    I can find Stainless AISI 316 steel ball bearings for sale in either 19,20 or 25mm. I'm sure one of them would suit. it says they can be drilled.

    now, does anyone here know what AISI 316 means and if it's suitable for the job and to accept drill/tap, weld and then blueing?

    thanks guys.
    Specs here http://www.aksteel.com/pdf/markets_p...a_Bulletin.pdf

    it should tig weld ok, but being stainless you won't be bluing it.
    It would be ideal for drilling and tapping, then polish and screw on the end of a blued bolt.

    Neil.

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