Well, I sure am asleep at the wheel today. You guys are talking about lug nuts and I'm talking about bumper bolts. Better get back to packing boxes...

 

 

-----Original Message-----

 

Why does it matter? Please extrapolate. If the bolt is the right diameter, and the nut and bolt are both the same, what's the difference whether it is a coarse or fine thread?

 

I checked the ones I sell w/ a tap & die set a while back, and they are 7/16-14. Been selling 'em for a couple of years now, and nobody's bumpers have fallen off.

 

John Nasta

 

 

 

-----Original Message-----

 

Sorry John, but I also have to take exception, the thread size does mater, unless they had somthing special made. All chevelles from 1964-1977 came with 7/16-20 threads. Some SS's and mag wheels did take a different shape, but the thread is the same. I just bought 20 new ones and intalled them on the old axels last weekend.

 

Dave

 

 

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