Wheel Lug size and thread pitch

C-ROK · Nov 30, 2004

Can you guys help me out here....

Can someone confirm the factory lug stud size and thread count.

From the ones I have looked at I find 1/2" 20tpi but this is only early years I've looked at. Are the late models the same or did they go metric somewhere in the run??

Thanks

jeepguy97 · Nov 30, 2004

Mines a '97 and they are 3/4 and 20 tpi.

Wayne Sihler · Nov 30, 2004

Here is what I have...
87-1/2 x 20
96-1/2 x 20
98-1/2 x 20
I don,t even see a 3/4x20 thread size in any application ? There are however 3/4 x16 NC threads and a 3/4 x 24 NF threads on bolts.
Wayne
PS the SOCKET size may vary with the style of nut,3/4 ",or 13/16" or metric.

Lawn Cher' · Nov 30, 2004

The lug nut uses a 3/4" socket, but the stud thread is 1/2-20.

jeepguy97 · Nov 30, 2004

Lawn Cher' said:
The lug nut uses a 3/4" socket, but the stud thread is 1/2-20.

My bad I thought he was talking about the nuts themselves. 3/4 socket. But still 20 tpi. Again sorry about my confused mind.

C-ROK · Nov 30, 2004

Wayne Sihler said:
Here is what I have...
87-1/2 x 20
96-1/2 x 20
98-1/2 x 20
I don,t even see a 3/4x20 thread size in any application ? There are however 3/4 x16 NC threads and a 3/4 x 24 NF threads on bolts.
Wayne
PS the SOCKET size may vary with the style of nut,3/4 ",or 13/16" or metric.

Thanks all. 1/2-20 for everyone. Beautiful!

BTW NC for a 3/4" bolt is actually 10 tpi. NF is 3/4"-16. 3/4"-24 must NRSVF (National Really, Super, Very Fine

)
For 3/8"; 16 tpi is NC and 24 tpi is NF.

Wheel Lug size and thread pitch

C-ROK

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jeepguy97

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Wayne Sihler

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Lawn Cher'

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jeepguy97

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C-ROK

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