I think you want to use something that rolls rather than cuts threads. Phil Wood made such a tool, perhaps still does.
Kurt Sperry Bellingham WA USA
On 3/31/07, Steve Birmingham <sbirmingham@mindspring.com> wrote:
>
> I'm working on re-threading some spokes after changing the length, and I'm
> having a bit of difficulty. I'm using a Hozan c-700 threader, on DT
> straight
> 15 guage spokes.
>
> The problems I'm having are 1)Sometimes the spoke just dosen't want to
> thread. I haven't found
> any potential reason, just about 1 in 5 simply will not thread. they get
> abou1 1mm of starting thread, and
> that's all. The next will be ok, so it's not the setup.
>
> The second problem is the threader putting a slight bend in the threaded
> section, so the nipples won't
> thread on easily. I'm thinking that this might partly be the cutter I'm
> using. Leaving the clamp end a bit loose helps,
> so it may also be some misalignment in the setup of that section.
>
> I've read the "directions" that come with the threader, and they're not
> much
> help. (The spoke I smoothed the end of as directed was the worst at not
> threading)
>
> Any advice would be helpful, as there doesn't seem to be a shop that
> stocks
> much for 15 straight guage, and the batch I bought is running a bit low.
>
> Steve Birmingham
> Lowell, Ma
> USA