Author Topic: large box wrench  (Read 2789 times)

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Offline jimwrench

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large box wrench
« on: April 04, 2015, 02:10:55 PM »
 Heres a large box end wrench with a 3 1/2 inch opening (across flats) and an overall length of 20 1/2 inchs. Only marking is a (M) in a diamond. Ever seen this one before ?
Jim
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Offline turnnut

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Re: large box wrench
« Reply #1 on: April 04, 2015, 07:42:20 PM »
M in the diamond would be Frank Mossberg Co. Massachusetts.

I would wild guess perhaps a truck hub cap wrench.

but will look for a possible answer.

Offline Bus

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Re: large box wrench
« Reply #2 on: April 04, 2015, 10:03:03 PM »
Your right it looks like a Mossberg logo but I wonder why on a cast wrench?  They were a drop forged factory and I think this is the only cast wrench I have seen with the logo.

The wrench is not rare but I have never been able to identify it. Send it to the orphanage.

Online skipskip

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Re: large box wrench
« Reply #3 on: April 05, 2015, 09:57:17 AM »
Seems odd that it's not symmetrical, only for one direction use?

Skip
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Offline turnnut

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Re: large box wrench
« Reply #4 on: April 05, 2015, 10:51:32 AM »
Skip, how about if you use it as shown to loosen and flip the wrench over to tighten ?

Offline jimwrench

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Re: large box wrench
« Reply #5 on: April 06, 2015, 11:26:36 AM »
 Have only found two foundries that use a (M) in a diamond. One whose name I lost uses a tall narrow diamond unlike the one on this wrench. The other is the Mueller Co of Decatur. Evidently their foundry used a (M) in a diamond but haven't found  picture to compare. Stopped by the local Mueller museum this morning but they are only open on Thurs,Fri & Sat afternoon. Guess I'll check them out when I get back from Lake of the Ozarks.
Jim
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Offline turnnut

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Re: large box wrench
« Reply #6 on: April 06, 2015, 12:05:14 PM »
Mueller foundry in Decatur is an old company that made valves, some were gate valves,'
it may be an old gate valve open/close wrench ?

Offline Chillylulu

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Re: large box wrench
« Reply #7 on: April 09, 2015, 06:25:43 PM »
We were still installing mueller valves in the 90's I think.

Chilly

Offline bird

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Re: large box wrench
« Reply #8 on: July 24, 2015, 06:45:58 AM »
I have a wrench similar to that one.. check out my recent listing "fire related tools" in the what is it section. It, too, has a diamond logo but I couldn't make out the letter in the diamond.
cheers
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