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15/16" wrench

pudgybear

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Aug 22, 2012
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Brooklyn Michigan
while going through my wrenches I notice that there is a 15/16 combo wrench and I don't think I have EVER used it can anyone give me a idea what it might be used for ?
 
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nicholasbailey1993

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Warren, Indiana
They are actually quite common, that's typically the head size for 5/8" bolts. Used all over the place on farm equipment.

Sent from my A577VL using Tapatalk
 

sberry

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Agree, very common. Lots of lawn mower blades use it too. Used a lot on equipment. Sounds like the OP has led a sheltered life,,, ha
 

CallumRD1

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Colorado
It's the arbor nut size on my table saw. (Well, it's actually 24 mm but 15/16" is close enough and my metric set only goes up to 22 mm.)
 

Professional Tool User

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15/16 is one of the most common sizes when working on big rigs. It can also double up as a 24mm wrench for automotive.
 

sberry

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Used a lot on of tractor stuff. Out of a dozen in a split the other day all but 2 were 5/8 and the 2 heavier ones were on a loader frame. I probably have 10 or so combo in that size.
 

NotOrganized

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My 15/16 is pretty worn out form decades of use. 3/4 looks about the same. I can't imagine anyone who never needed one.
 

sberry

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Most of mine are not worn as I have about a dozen dupes in those sizes, the work gets shared around some. Got 2 15/16 hanging on this cart. One I do need another couple of is 7/8, seems I missed duping that up a bunch and it is used on hyd lines.
 

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Toothaker

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Nov 25, 2016
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Wichita, Kansas
My wrench set was missing the 15/16" size so I bought one. Less than a week later, I was tightening a 5/8" nut with it.

I find myself using my adjustable wrenches less and less. :D
 

shanny19

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sberry, i never get tired of seeing pictures of your anti-toolbox. i love that thing.
 

6-Holer

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For what it's worth, the oil drain-plug on most "real" BMC Minis is a 15/16" hex. I don't know about BMW Minis though.......'prolly not?
 

Oldsmobile

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Harrisburg PA
I have a couple of wire cup brushes that screw onto an angle grinder. They get tightened into place with a cheap, ground-down 15/16". For a while I was looking at the flea market for a 15/16" tappet, but no dice.

Otherwise, I just work on smaller stuff. Cars, and no tractors. But because a 15/16" wrench exists, yes, I own a couple. :)
 

M6erfan

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Most of mine are not worn as I have about a dozen dupes in those sizes, the work gets shared around some. Got 2 15/16 hanging on this cart. One I do need another couple of is 7/8, seems I missed duping that up a bunch and it is used on hyd lines.

Holy ****! You mean you dont have thirty or so 7/8" laying around??? Now i've heard everything...
 

sberry

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sberry, i never get tired of seeing pictures of your anti-toolbox. i love that thing.

I wanna make a modular copy to some extent. It needs a better plier rack. I have some sorting with Phillips and straight and have 5/16 and 7/16 nut drivers. All that is based of frequency in its location. I can see the tools I use 95 percent of the time and don't need to use drawers.
I like a throw it back system and from this cart use 1/2 impact for 90 percent of the socket use and 99 percent sae. I don't even own 3/8 impact.
 
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M6erfan

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Agree, very common. Lots of lawn mower blades use it too. Used a lot on equipment. Sounds like the OP has led a sheltered life,,, ha

I have to go with this.
It's weekly for me, and I don't wrench....

I've used a 15/16" enough to break and warranty my Snap-on one. That break was on rusted big ripper/cultivator shanks. As stated before, 15/16" is quite common on farm machinery. I don't see it on automotive, but industrial and machinery, it's all over the place.

Yeah, I wrench a lot and my SAE stuff pretty much gathers dust. Of course i'm not working on Cummins steam engines or whatever...
 

gearhead1

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NC
Yep.....the sway adjustment on my tractor uses a 15/16 wrench to loosen/tighten the locknut.
 
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trashmanssd

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Oct 31, 2016
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Ma
Most air brake chambers on big rigs are attached with 15/16 nuts. and those bastards can be a real *(*&_ to get off after a few winters wort salt gets on them. Nothing better then long pattern 15/16.
 

jdl25

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Im sure someone already said this but many heavy duty lawn mower blades will use this head size on a 5/8 blade bolt.
 

Wamsutta

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Crankshaft bolt on a 351 Cleveland. Get you that size socket, a six inch extension, and a long flex head 1/2 inch drive ratchet. Now you can turn the engine over by hand to set the timing.
 

mowkep

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May 7, 2017
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471
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Stow, Ohio
Yep, I made the mistake of bringing my 15/16 combo wrench home once. Had to resort to an adjustable wrench. I use it on the big mill tightening nuts on 5/8-11 threads.
 

rmsg0040

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Feb 15, 2012
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Toronto
Only 8 sizes I carry in my tool bag at work, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 and 15/16

Conveyor system
 

tyyost

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Jan 14, 2009
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Tunkhannock, PA
Man, my 15/16 got a workout back in my truck days - most u bolts I ever encountered doing lifts and add a leafs were that size, I beat the snot out of a SK wrench and chrome deep socket many nights thrashing in the garage.
 

Mgdoug3

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KY
Like previously stated, 15/16 is common on farm equipment. There's not too many days I don't use a 15/16 wrench.
 

OHMS LAW

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Houston TX
15/16 is common on big rigs but I confess I use a 24mm. Every time someone asks for a 15/16 it’s a 24 if it’s coming from me lol
 

Mugen AP1

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Aug 17, 2009
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Toronto
Hydraulic hoses and fittings used this size a lot and as others have mentioned 5/8 bolt heads/nuts
 

protegeV

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Apr 18, 2018
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DFW
I lost my snapon 24mm years ago. The 15/16" has been a willing substitute :D
 

Wamsutta

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Amarillo, Texas
Just in case anybody is wondering...

15/16 = 23.8125 millimeters

15/16 = 0.9375 inches

24mm = 0.94488188976 inches
 
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disston

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Oct 1, 2012
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Location
Silver Spring, Md
Front ends/suspensions on many American cars.

The petcocks on my 1975 BMW R90/6 (really 24 mm) Only thing on the bike is this size I think.
 

Moose Legs

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Jan 18, 2018
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Location
Edmonton AB
I use 15/16 on pumps and other oilfield equipment so often that it’s the only wrench I’ve ever bought new off the Snap-On truck.
 

abachman

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May 20, 2013
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214
Location
Illinois
I just needed and used two of them on a Model A Ford truck rear end assembly that I'm helping with, yesterday.
 
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