bsaint
Well-known member
I'm looking at the Din and Jis charts and 9mm hex just doesn't show up. What's 9mm? Rusted out 3/8?
9mm socket application
- Thread starter bsaint
- Start date
2ndGearRubber
Well-known member
Mostly, or a very rotted 10mm. 11 is much more common that 9, mostly euro bleeder screws.
Dave455
Well-known member
It’s not an ANSI or ISO size either. Much like 2ndGear above, I think I’ve only ever used the size on a brake bleeder, and even then not often.
If I recall correctly it’s a size that appears in one of the Swedish standards (Large hex for a 5mm?) and there might be some other (obsolescent) standards that use it, but I don’t think I’ve ever used a 9mm socket myself. Certainly don’t carry one in my road box.
If I recall correctly it’s a size that appears in one of the Swedish standards (Large hex for a 5mm?) and there might be some other (obsolescent) standards that use it, but I don’t think I’ve ever used a 9mm socket myself. Certainly don’t carry one in my road box.
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Bad Eye Bill
Well-known member
Yep.
Duke74
Well-known member
I needed one to work on the wheels of my wife’s Ford Escape. It was hard to find. I had to buy a whole set that included 9mm.
GrantCee
Well-known member
For some reason this topic comes up regularly. Aside from Swedish vehicles (and, I'm told, some Mercedes), Suzuki used 9mm bolt heads extensively in the Samurai and Sidekick models. I've owned Suzukis, and currently have a Saab, so my 9mm wrenches and sockets have seen a lot of use.
Lassen Forge
Well-known member
I have a few security items that have a 9mm socket built in... Steve
Sounds an awful lot like my 11mm "unfasteners" for my european designed aftermarket security system...
Made me curious even. I just looked and all my 9mm sockets do have wear/junk on the inside, so I guess I use them for something. Sure couldn't tell you what though. Very uncommon for me to work on anything that isn't domestic. They definitely stick out in the socket holder though........ The 9mms are all pretty shiny looking compared to the rest of the sizes 
The external or external hex drive size (in your case 9mm) does not denote a particular thread pitch or shank size (metric or otherwise). It's simply the hex drive size.
As for 9mm, I've uses that size very few times. In fact, I can't remember the last time I used a 9mm anything, or what I used it on. But then again, at my age, I can't always remember what I had for dinner last night...
As for 9mm, I've uses that size very few times. In fact, I can't remember the last time I used a 9mm anything, or what I used it on. But then again, at my age, I can't always remember what I had for dinner last night...
leadfoot415
Well-known member
Ford uses 9mm hex bleeder screws on some newer models. Older bolt in side windows for pickups and suv's had 9mm hex nuts as well.
GrantCee
Well-known member
Off the top of my head, no. Next time I take one out I'll try to remember to measure it.
BlakeTheCarGuy
ALLIANCE MEMBER
9mm is used on my dads Freightliner for the side marker lights running down the side. 11/32 will work also which is what I primarily use because the rest of the truck is SAE too so… . The brake caliper bolts with an Allen head on my Escape are 9mm but that’s a hex/Allen key socket that you need. I also used it on our Isuzu box truck at school when I was in school same with 11mm too.
cstmg8
Well-known member
Same, pretty sure the Brembo calipers I put on my G8 had 9mm bleeders.
I used my 9mm socket a few times when I was working on my zero turn's Kohler engine and on my 1983 Audi. They are out there, don't do like some threads seem to suggest and throw out any odd size tools that you don't expect to use everyday.
FuzzyTiger
Well-known member
I don't remember what it was for but I remember being incredibly sad when I was working on something and my koken socket set didn't have the right size. I've definitely used 9mm flare wrenches for brake stuff.
KnurledNut
Well-known member
A totally oddball non-automotive application:
Makita used a 9mm headed blade bolt on one of their older saws.
I thought it was a mistake, but the manual confirmed this was correct.
Dont ask me why...
Makita used a 9mm headed blade bolt on one of their older saws.
I thought it was a mistake, but the manual confirmed this was correct.
Dont ask me why...
Same here. I ran all over for an hour and finally just bought a whole set just to work on that thing. We ended up with 2 Escapes and one Mariner in the family.
Chrome Vanadium Cody
Well-known member
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- Jul 25, 2021
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my 70s moped needs one- i believe to tension the brake cables
notillfarmer2950
Member
Certain needle and seat assemblies on Mikuni motorcycle, snowmobile, and ATV carburetors use a 9mm socket. Some 90° grease zerks on European manufactured farm equipment require a 9mm open end wrench for removal/installation.
Walkers
Well-known member
9mm wrenches are made for people who can’t stand having incomplete sets. 8,10,11,13,15,16,17,18mm would likely get 99.9% of the work done.
They are also made for people who open brake bleeders on European cars.
Ricky Joe
Well-known member
Mercedes Sprinter vans use 9mm on the battery post and a few other places.
Grogg
Active member
It goes on after that.... all the way through to Mk 4 at the end of 2006!
I was thinking to the end of the mk3 and realized after I posted I even had that date wrong @1998
But my newest car I own is 1983 Jetta
Walkers
Well-known member
All right, so a set should be what I posted PLUS a pair of vise grips!
It's an all metric engine.
I have a few of it's cousins.Nah never. That's why I keep this
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bubinga
Well-known member
VW used it somewhere.
Jettas and or gulfs ,
Can't remember what year if I remember right it was when we were pulling the transmission or pulling the motor somewhere on the bell housing or something it's been a long time.
It was just ONE Odd ball bolt too IIRC
Jettas and or gulfs ,
Can't remember what year if I remember right it was when we were pulling the transmission or pulling the motor somewhere on the bell housing or something it's been a long time.
It was just ONE Odd ball bolt too IIRC
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bubinga
Well-known member
They are all probably actually 11/32 which is the screw head for a #8 diameter bolt
So, my Tekton adjustable wrench has sae and metric scale on it.Nah, just ad a Metric adjustable wrench to the set.
bubinga
Well-known member
I think it was Honda cars never used a 13 mm head on a 8 mm bolt it was always a 12 mm.
My buddy a long time ago we were working on a Honda, he said what is that Bub a 13 mm?
I said Danny Honda doesn't use 13s, his eyes lit up and in all seriousness he said "because it's bad luck"?
I said no I don't think so I said they just don't. ......