what size bolt? tow bar

nickp3003 · May 14, 2014

hellooo everyone! anybody be able to tell me what size bolt holds a standard towball to the bracket? (not the bracket to the chassis

)

Ive got one and it takes a 22mm spanner but don't know if its M16 or M18?
sorry for a bit of a dim engineering question but I don't want to order the wrong ones!

Have a nice day all!

timtheenchanteruk · May 14, 2014

timtheenchanteruk · May 14, 2014

I just usually search Towball bolt, and get an appropriate length.

SteveD · May 14, 2014

I saw em on eBay for a couple of quid then went to my local fixings place and got two (with nuts and washers) for less than a £1

brian47 · May 14, 2014

Like Tim says, M16.
Be careful to use high tensile steel bolts for the job, theres a heavy tensile load on them while you're towing.

nickp3003 · May 14, 2014

brian47 said:
Like Tim says, M16.
Be careful to use high tensile steel bolts for the job, theres a heavy tensile load on them while you're towing.

Thank you everybody! I thought it was M16 but wanted to double check.

Its to hold on a NATO hitch that's got quite a bit of weight to it so ill be sure to get high tensile / high breaking point bolts as there's going to be quite a bit of stress put upon the bolts during recovery, I wont be using it to tow anything but none the less needs to be high tensile.

thanks all!

Iann · May 14, 2014

A 22mm spanner size is M14 unless its a specialist bolt

Most tow balls etc take M16 24mm spanner

Dont put a m14 in a m16 hole

nickp3003 · May 14, 2014

Iann said:
A 22mm spanner size is M14 unless its a specialist bolt

Most tow balls etc take M16 24mm spanner

Dont put a m14 in a m16 hole

might of been 24mm spanner cant remember thanks anyway

SteNova · May 14, 2014

nato isn't m16

listerdiesel · May 14, 2014

Having just refitted the towball on my son's D2, I can confirm M16 and 24mm or 15/16" A/F.

Peter

timtheenchanteruk · May 14, 2014

SteNova said:
nato isn't m16

No, I dont think it is, he dint say that in the OP

hellooo everyone! anybody be able to tell me what size bolt holds a standard towball to the bracket? (not the bracket to the chassis )

it clearly said standard ball

you need part No BH112241L

if it was a 22mm it would be an M14, bot google thinks the BH112241L is an M12.

timtheenchanteruk · May 14, 2014

unless of course its not an actual nato hitch, but one of these nato style hitches, in which case...

M16...

timtheenchanteruk · May 14, 2014

as in these thingys

$T2eC16dHJGoE9nuQg13lBP7c6s5GIw~~60_12.JPG

SteNova · May 14, 2014

nickp3003 said:
Its to hold on a NATO hitch

Iann · May 14, 2014

Where's the Op gone this needs clearing up

nickp3003 · May 14, 2014

Im bacckkk is a 7.5ton big nato hitch, not one of those ones pictured above

nickp3003 · May 14, 2014

I said tow ball as the same bolt fitted the nato but wernt long enough ;-) wanted to check it was m16

nickp3003 · May 14, 2014

Hmm just double checked there is a slight bit of movement. . M17?

Grimmer · May 15, 2014

nickp3003 said:
Im bacckkk is a 7.5ton big nato hitch, not one of those ones pictured above

Int that one of the hitches off the back of a wagon, and not a 'normal' NATO hitch

nickp3003 · May 15, 2014

Grimmer said:
Int that one of the hitches off the back of a wagon, and not a 'normal' NATO hitch

I think so, the 4 holes for the bolts are equally spaced out in a square rather than a rectangle, if you see what I mean

what size bolt? tow bar

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