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Thread: Bolt and screws for SII

  1. #21
    Join Date
    Jan 2013
    Location
    Central Australia
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    Quote Originally Posted by gromit View Post
    Most important where they thread into something (engine, axle etc.) if its a just bolt & nut then UNF is easily sourced (might upset the purists though.....).
    Correct, I've found it difficult to get the originals for the 2a, but I figured early on that if I get the UNF equivalent (or very close) for everything, at least if they need replacing later it shouldn't be too difficult. You would have to be a true Landy die-hard to notice the difference in most cases
    Purists, relax, I've retained the originals!

    Quote Originally Posted by gromit View Post
    Most bolt places will source BSF but they may want you to buy in bulk, they might struggle with HT bolts.
    I found the same thing ... if I'm willing to buy a box of 500/1000 - depending on what it is - it's all good. I just don't need that many! I must say, the local bolt supply shop has been excellent at supplying UNF equivalents though. Some need trimming down (length-wise) but so far it's all worked out well

  2. #22
    Join Date
    Jul 2006
    Location
    Brisbane, Inner East.
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    Some advice for those unfamiliar with thread systems and fasteners. Do not mix fasteners with differing thread angles. People will tell you that Whitworth and UNC are "the same". They are not. Whitworth form threads have a 55 degree angle whilst Unified form is 60 degree. Whilst BSW and UNC will screw together with the exception of 1/2", this is not good practice. Mismatched thread angles cause crushing of the crests of the threads and have self-loosening characteristics. Nor will they maintain set torque.
    Angles are:- BS series 55 degrees
    UN series 60 degrees
    Metric (all sorts) 60 degrees
    BA 47.5 degrees
    URSUSMAJOR

  3. #23
    Join Date
    Oct 2011
    Location
    Cooktown Qld
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    Attn Brian at "Brians Retirement Sale"
    Brian, can you supply a 'Starting Tap' and a 'Bottoming Tap 14mm x 1.75p
    I have stripped a thread on the VM head (holds rocker gear), I have a "Helicoil" of the correct dimensions but URGENTLY need the tap(s) to put it in.
    I'm Dick Randolph, P.O. Box 515, Cooktown, Qld 4895, I've met you at your place a couple of times (mainly getting BCT taps).
    Can you please contact me by email "elswhere@darucreek.com"

  4. #24
    Join Date
    Jul 2006
    Location
    Brisbane, Inner East.
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    Quote Originally Posted by dick180641 View Post
    Attn Brian at "Brians Retirement Sale"
    Brian, can you supply a 'Starting Tap' and a 'Bottoming Tap 14mm x 1.75p
    I have stripped a thread on the VM head (holds rocker gear), I have a "Helicoil" of the correct dimensions but URGENTLY need the tap(s) to put it in.
    I'm Dick Randolph, P.O. Box 515, Cooktown, Qld 4895, I've met you at your place a couple of times (mainly getting BCT taps).
    Can you please contact me by email "elswhere@darucreek.com"
    e-mail sent.
    URSUSMAJOR

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