How to Drill Out a Lug-Nut - 6SpeedOnline - Porsche Forum and Luxury Car Resource



How to Drill Out a Lug-Nut

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Old 11-23-2007, 11:22 AM
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How to Drill Out a Lug-Nut

So apparently when I had my tires mounted and balanced the idiots tightened the lug-nuts to a billion foot lbs

So I got off 4 and the the 5th not only cracked my impact socket and bent my breaker bar extension it also twisted the head of the lug-nut

What is the best technique to go about drilling out/removing this lug-nut?
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Old 11-23-2007, 01:45 PM
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spray some anti sieze through out the day and let it sit for a day. but if you want go ahead a drill it. I think you maybe sorry if you do.
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Old 11-23-2007, 02:41 PM
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Do not drill out.
What car, what year?
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Old 11-23-2007, 06:50 PM
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is it a bolt OR a stud with a lug nut?

if stud w/ a lug nut, get a good socket 12pt that barelt fits over the lug nut and hammer it on so its jammed. Use the shorests 3/4" extension possible and a long breaker bar.

key is to use good tools. cheap tools break.

You can even use crafstman, that way if it does break, you have a warranty.

OR if you have air. use a air gun instead of the breaker bar.

TAKE YOUR TIME AS YOU DON'T WANT TO DAMAGE YOUR CAR OR WHEEL.
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Old 11-23-2007, 07:30 PM
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ok it is a bolt it's a 99 A4

the head of the bolt is stripped now b/c of so much pressure, i tried heating it and using pbr blaster...no luck, I'm now drilling but it's going to be a biotch

as for tools it was a MAC impact socket that broke...all my tools are craftsman except for my set of impact sockets ...so I'm not using target brand tools

it just pisses me off that the ONE time i have someone put wheels and tires on my car they eff it up, i've never let anyone but me touch my car, hell I did my own clutch and flywheel and something so simple as mounting and balancing tires this happens, and the worst part is the shop that did it gave me a discount b/c it was a favor for one of my friends....WTF!!!
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Old 12-01-2007, 10:24 AM
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Did you take the other 4 out completely? If so, put them back in and tight them to spec. Try the PB blaster on the bad one, hammer it a bit and then try to take it out.
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Old 12-01-2007, 09:20 PM
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You would probably have greater success welding a new head on the bolt than trying to drill it out.
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Old 12-26-2007, 05:04 PM
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The only other option i can think of. Is to get to the stud from the back of the hub. Grind off the head of the stud and push it out the front. And then just install a new stud, if it is a back wheel however it becomes alittle more difficult because of the E-brake.
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Old 12-26-2007, 09:53 PM
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thanks for all the input but it got to the point where it was pointless for me to try anymore so I dropped it off at a shop before I left for vacation so hopefulyy they had better success than i did
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Old 12-27-2007, 08:29 AM
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Drilling a lug nut is not the way to go. Like said above if you can weld tack a bolt to the old one and then try to remove it. If you can not weld get a new sharp chissel and a 2lb hammer and you can easily crack the old lug with a few good hits.
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Old 01-11-2008, 06:31 PM
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Honestly, None of you guys that says "drill it" have tried it

I Did try that once on a cadillac at work that had a half cut lock nut left on the stud.

I used like 5 drill bits or so, all were worn out quite fast.

The best solution is to use an induction heater or a gas welder because metal expands when heated up.

Try that, i wouldnt recommend drilling
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Old 01-11-2008, 07:31 PM
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Thanks for all the replies, my local shop got it off while I was on vacation and for christmas my dad got me a set of speciailty tools for this purpose (hopefully they will never see the light of day)...
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Old 01-14-2008, 02:57 PM
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Had a locknut break on me this summer.

I center punched the stud, and drilled it with a carbide drill bit. Drill it a little smaller than the thread size. When i was deep enough i put an allen key in the hole, and tapped it sideways with a hammer. The stud snapped clean.

Removed the rotor, and installed a new stud.

Did you ask the shop how they removed it?
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Old 01-15-2008, 12:27 AM
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i had to buy a new hub..
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Old 03-03-2008, 05:43 PM
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carbide bit will drill it for sure. can't use anything else
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