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Friday, I posted a tool that I had trouble identifying and asked the readers have a guess at its function. Today, I’ll post all the information I have about the tool.

GEDORE, the makers of this tool, say on their site:

  • For bathroom fittings attachment (stud screws) M10 or M12
  • Open end spanner size 17×19 mm

Unfortunately this is the sum total of the information they give — they don’t even supply a picture of the business end of the cylinder.

Looking through the comments, russ came closest first with his comment on January 7th, 2011, at 11:44 am:

A 14mm / 17mm wrench is pretty common in my work with German equipment. The attachment looks like something for bathroom fittings -screws probably somewhere around M10 (not certain on the size though). I saw something similar to this a while back in Germany but I don’t need it in my line of work.

The most creative use comes from 99octane:

Obviously the center piece fits in an electric drill, and it’s used to mix paint…

Now all I need is a plumber to tell me exactly what bathroom fittings (stud screws) are and how you use this tool.

Installation Wrench [GEDORE]
Catalog (pdf) [GEDORE] (see page 373)

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8 Responses to What’s This Tool Used For? Answer…

  1. Mark says:

    So it looks like it screws in threaded studs…?

    A little better picture found here…

  2. PK says:

    I could have used one of these for the exhaust manifold studs on my saab last week…..

  3. mlocer says:

    I think it’s for fitting those double threaded studs for bathroom basins, The ones with a lag screw thread that goes in rawl plugs or timber framing and an M10 section for a washer and nut under the basin

    like this

  4. turtleman1 says:

    Double-nutting works very well on threaded studs.

  5. Toolboss says:

    # turtleman1 Says:
    January 11th, 2011 at 3:36 pm

    “Double-nutting works very well on threaded studs.”

    That’s what she said.

    Sorry, I just had to, been one of those days.

  6. russ says:

    I see my eyes are getting old – 19 not 14.
    I asked two people from Germany on this subject and they told me this is also common to use for other screws, they didn’t mention bathrooms until I did. So I guess it is like many other tools where it may have originated for use in one area and over time it found its use in other areas.

  7. Bill says:

    Amazing, a German specialty wrench for European fittings, and very few Americans could figure out what it is by looking at a single picture.

    What an interesting and practical use of time.

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