Tojo 70 Series 5 Stud Factory Alloy Trailer Wheel Nuts

Submitted: Tuesday, Oct 29, 2013 at 10:30
ThreadID: 104909 Views:3057 Replies:5 FollowUps:5
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Would anyone have any ideas about wheel nuts to suit factory alloys, but with a 9/16 UNF thread. These are the only studs available in leccy brake hubs for the 70 series 5 stud set-up. OEM studs are M14x1.5.

So far I've drawn a blank. The plan is to be able to use the alloys on the trailer in an emergency.
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Reply By: Herbal - Tuesday, Oct 29, 2013 at 12:48

Tuesday, Oct 29, 2013 at 12:48
Try Repco or Autopro.

Failing that I can think of two solutions...

1. Change the studs to 14mm....9/16 is so close to 14mm that you might find the shaft is the same size. They are very easy to do. They just knock out with a hammer and hammer the new ones in.

or

2. Find some nuts that fit the hole in the wheels and either tap a 9/16 thread into them or have them drilled and 9/16 helicoil inserted.
AnswerID: 520570

Follow Up By: Member - Rosco from way back - Tuesday, Oct 29, 2013 at 12:55

Tuesday, Oct 29, 2013 at 12:55
Thanks mate

Thought about swapping the studs, but concerned std stud head would protrude past the magnet face on the inside of the hub. The std studs used have a large flat head rather than small rounded as usual.
Not keen to hit them with a grinder as heat may have an effect.
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Follow Up By: Herbal - Tuesday, Oct 29, 2013 at 13:08

Tuesday, Oct 29, 2013 at 13:08
No worries...

Not that I go around looking at studs very often, but I don't think I have ever seen rounded heads. I am pretty sure I have only ever seen flat ones.

I don't think heat would be a prob if you did need to grind. You would only be touching the stud for a second or two at a time. So I don't think it would get very hot.

But if it was me, that is what I would do...change the studs and have the same thread on all wheels.
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Follow Up By: The Bantam - Tuesday, Oct 29, 2013 at 22:47

Tuesday, Oct 29, 2013 at 22:47
I dont think helicoils in studs is a very good idea.

What type of wheel nuts do the landcruser alloys take.
Is it a cylinder and flat type nut or a conical nut.

If its a conical nut you should have no problems getting something suitable.

If its a cylinder and flat type nut you may have to go to a tyre shop or a mag wheel supplier.

There are only so many combinations of wheel nuts a stud spacings.....the mag wheel suppliers will have whatever is required.

cheers
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Follow Up By: Member - Rosco from way back - Wednesday, Oct 30, 2013 at 00:13

Wednesday, Oct 30, 2013 at 00:13
I'm not too keen on helicoils either. Std nuts for alloy wheels are lug type with washer and shoulder that fits recess in wheel with taper on end.
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FollowupID: 801087

Reply By: Ron N - Tuesday, Oct 29, 2013 at 14:49

Tuesday, Oct 29, 2013 at 14:49
Rosco - The U.S. is the land of imperial products. Go to eBay.com (not eBay.com.au) and type in "lug nuts 9/16" and you'll be overwhelmed by the choices.

Just make sure you get all the nut dimensions and other relevant info from the eBay seller before you commit to purchase.
Make sure they will ship to Australia, and that they will use a USPS Priority Mail flat rate box.
You can get the shipping cost in the link below, if you know the packed weight and the seller zipcode.
Flat rate boxes will take up to 20lb (9kgs) for the one fixed price.

http://ircalc.usps.com/?country=10013

Cheers, Ron.
AnswerID: 520577

Reply By: Member - Phil G (SA) - Tuesday, Oct 29, 2013 at 20:35

Tuesday, Oct 29, 2013 at 20:35
Rosco,
I understand your problem. The Toyota alloy wheel nut are a peculiar beast and you can't buy a 9/16th nut that will fit the alloys.

Our Tvan has the brake drum that you need - the 5 stud Landcruiser M14 studs on a 10" electric brake drum. They are not Alko - they are stamped "Melb Axle Sales" and are manufactured by this mob: www.melbournetrailers.com.au

They weren't as cheap as the Alko - I changed my hubs over to the 5 stud Landcruiser and they cost $400.

Cheers
Phil
AnswerID: 520591

Reply By: Lyn W3 - Tuesday, Oct 29, 2013 at 22:53

Tuesday, Oct 29, 2013 at 22:53
Did you see this blog from Mick O regarding wheel studs/nuts which he got from Gal pro Engineering.

Mick O's wheel studs
AnswerID: 520595

Follow Up By: Ron N - Wednesday, Oct 30, 2013 at 14:29

Wednesday, Oct 30, 2013 at 14:29
Using 50mm spacers is a recipe for disaster on any axle, let alone going off-roading with them. Micks blog appears initially to be quite good, but the amount of info he left out, makes the story as he puts it, quite wrong.
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Reply By: R.J.W. - Wednesday, Oct 30, 2013 at 14:08

Wednesday, Oct 30, 2013 at 14:08
Hi, I have drilled and tapped genuine Toyota alloy wheel nuts to fit on 9/16 studs. But I have also knocked out the 9/16 studs and pressed in genunine Toyota 14mm studs to use the standard wheel nuts. I did not have to drill the hubs but needed a press to get them home. This seems to work in my instance without any dramas. This was to fit factory 17inch 200 series rims. I think the Toyota studs & nuts are the better option. Hope this helps. Rob
AnswerID: 520626

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