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shrader Thread tool

Discussion in 'The Shop' started by olekdh, Aug 3, 2011.

  1. olekdh New Member

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    Hi everyone I'm searching for thread tool for shrader valve (inner thread). I'm not familliar with this sort of things. I just know some dimensions like those from wikipedia:
    Internal thread (to accept the threaded valve core)
    Metric: 5.30 mm OD × 0.706 mm pitch
    Imperial: 0.209 in OD × 36 tpi.
    But I'm from poland so it's hard to find threading tool not metric standards.
    So if you know that kind of tool send me link to it so i maybe know what to search for
    #1
  2. JustMtnB44 Member

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  3. olekdh New Member

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    I need to drill and thread new holes for airspring so that tool you gave me in link above will not do the job. I need tap. Thanks for reply anyway, good start for my search
    #3
  4. johnbryanpeters Hero

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    The standard Schrader valve has the following threads:

    External thread
    • Metric: 7.7 mm OD, thread root diameter is 6.9 mm × 0.794 mm pitch.
    • Imperial: 0.305 in OD, thread root diameter 0.271 in × 32 tpi (threads per inch)
    Internal thread (to accept the threaded valve core)
    • Metric: 5.30 mm OD × 0.706 mm pitch
    • Imperial: 0.209 in OD × 36 tpi.
    #4