So I have these wheels, the lug nut hole is 1 inch deep. I have 2 vehicles I'm thinking I want to be able run these on. A '99 S10 and a '72 Skylark. (Yep I will need 2 different sets / threads.)

The stud on the S10 comes up flush to the wheel face, so pretty much 1" long. The Buick is shorter at probably around 3/4 inch.

What length of lug nut shank do I need? I'm not sure how many threads turned they need to be secure.
Looks like parts stores have 3/4 inch shank in stock $6.99 for 4. I see .946 inch length online from places like Summit Racing, $15 for 4.



This is the type of nut



I was thinking the .946 inch for the Buick and the 3/4 inch for the S10?
I suppose there is no risk of bottoming out the .946 inch either way...

Also cant find a make on these wheels, is a brand usually on the rim itself? Bought them used from a private seller with American Racing centercaps but not sure of they belong to eachother or not.

[This message has been edited by 2.5 (edited 02-02-2015).]

Lug nuts are old school now? What holds wheels on these days, magnetism, Barack Obama's promises?

I don't know about the lug nuts, 2.5.

quote Originally posted by heybjorn: Lug nuts are old school now? What holds wheels on these days, magnetism, Barack Obama's promises? I don't know about the lug nuts, 2.5.

Unicorn horns?

[This message has been edited by 2.5 (edited 02-02-2015).]

I generally want 1/2" of threads into a closed end nut. If its an open nut, I want to stud to extend past the end of the nut.

I believe the answer is in that chart you posted:

"Minimum Thread Engagement as recommended by SAE is the diameter of the stud."

Once you know the distance from the bottom of the lug nut to the bottom of the lug nut washer you can do the math to figure out the minimum length.