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Anyone stock a 14mm x 1.5 thread forming tap?

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  • DR
    replied
    Thread forming taps....we've used them for years. My local dealer reps Balax so that's the brand we've used for the majority of our threading.

    Just recently I made an auction purchase that included some OSG forming taps.

    The OSG have a unique square-ish cross section that twists in a helix up the tap. I've found these to perform better than the Balax style. A problem with the Balax was the pressure relief groove, sometimes this will get plugged with flakes of material especially when used in soft materials.

    14m x 1.5 seems to be a standard metric size. I can't imagine some of the larger tooling houses don't have them.

    Regarding the 7075T6, I've done a fair amount of thread forming in it. It's a tough material and needs good lubrication to form threads.

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  • garyphansen
    replied
    I have a new M28x1.5 I would part with, but I guess that will not hepl you.

    Gary P. Hansen

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  • Al Flipo
    replied
    Cold forming threads is not as easy as you think,it takes a lot of power. I would try this first with any availably cold forming tap before you invest $.

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  • matador
    replied
    If you're talking about HSS hand taps,they are listed at a local(nz) supplier,Trade Tools, as around $40nz each.That's about $30 US.$102US seems a bit steep.

    ------------------
    Hans

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  • precisionworks
    replied
    Have you tried these sources:

    http://www.emuge.com/taps/cold.html

    http://www.netap.com/default.htm



    ------------------
    Barry Milton

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  • abn
    started a topic Anyone stock a 14mm x 1.5 thread forming tap?

    Anyone stock a 14mm x 1.5 thread forming tap?

    The largest thread forming tap I find stocked locally is a 12mm...I'd prefer to form rather than cut if possible. The work is 7075 T651...I tried Balax they say 3 week delivery and 3 piece minimum at $102 each.

    I'm open to any solutions, I don't know the geometry of a thread forming tap but if I can't get one from stock, I guess I'll look into making one...or give up and just cut the threads.
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