strange size wrench

Centerplate · May 26, 2019

This size on this double open end wrench is a mystery to me. Does any one have a clue where this was used?

Stephen Newell · May 26, 2019

Could be wrong but it might be used to loosen or tighten a nut.

The curved wrenches were for hard to reach places.

kcm.MN · May 26, 2019

What size? Says right on it 3/4 OC (Open Center) Why they used OC over OE (Open End) I'll never know.

Numbers on the other end (I think) have to do with the part/item number.

jake2 · May 26, 2019

Maybe one end is to loosen nut and the other end to tighten it!

Janicholson · May 26, 2019

If the wrench size is not 1/2 and 3/4, but much bigger .020 1.300 inches, it could be Whitworth! Jim

Dusty MI · May 26, 2019

A friend once told me that a farm equipment once started up, and made all their own bolts that were not standard SAE or metric. It seems that they wanted anyone that bought a machine from them to have to come back and buy their bolts from them.
I think that the name of that company was Gale, maybe spelled different. Not related to the Gale equipment that we know today.
Anyway they didn't last long.
Small chance that wrench is one that fit one of their bolts.

funky_g00 · May 26, 2019

I just did a search for the sizing markings on the wrench and attached the link. The OC is actually hex/hexagon C to designate use on 3/4 and 5/8 hex bolts. The 1/2 U.S.S. is to fit United States Standard 1/2" square headed bolts. Sizes reflect actual bolt diameter and not bolt head size. As to use I would consider it a form of obstruction wrench and used anywhere handy back in the day.
Untitled URL Link

funky_g00 · May 26, 2019

I forgot to mention that for an 80+ year old wrench they still serve a purpose and use one occasionally.

Deere Mark · May 26, 2019

I have one that says 5/8 USS on one end and 1 1/8 OC on the other end.

old bc · May 26, 2019

I used a wrench like that to adjust the button Hole size on
a Singer button hole machine when I worked for Van Heusen. Some had the Singer logo on them some didn't.

Dale in WV · May 27, 2019

I've found a couple of them over the years - likely been around since your Mama was a little girl.

Centerplate · May 27, 2019

I did not have time to respond as I was trying to plant beans this morning before rain, then had to visit Mom.

I assumed you guys would have some interesting and informative answers and you came through. I only remember the small end as being 3/4 inch but not the large end. I was fascinated they used a different standard to identify sizes. Thanks for the education.
Nick

Moonlite37 · May 27, 2019

Pre-Automotive, locomotive, farm machinery. Industrial machinery

SVcummins · May 27, 2019

Bob · May 27, 2019

Here's a very small sampling of my "collection"/junk assortment...

Stephen Newell · May 27, 2019

It wouldn't make any sense to put two open end wrenches the same size on one wrench.

Centerplate · May 28, 2019

Name side of the wrench. Billings and Spencer

ztrmowers · May 28, 2019

they were found with alot of equipment in the early years. it almost looks like it says 5/8 in pic but looks larger

Little Ed · May 28, 2019

Dumb question time. What are the two wrenches in the middle with the U shaped openings used for?

strange size wrench

Centerplate

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Stephen Newell

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kcm.MN

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jake2

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Janicholson

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Dusty MI

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funky_g00

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funky_g00

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Deere Mark

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old bc

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Dale in WV

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Centerplate

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Moonlite37

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SVcummins

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Bob

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Stephen Newell

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Centerplate

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ztrmowers

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Little Ed

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