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Drilling out spot welds
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Author:  Damo [ Tue Jul 15, 2008 8:10 pm ]
Post subject:  Drilling out spot welds

I've used big drill bits, and also ground off the spot welds with a grinder, both with varying success. I have to get remove the sill brackets (full of rust) and flares (virtual lift) at some stage, so I thought i'd get myself a spot weld drill bit. I justordered eBay, and got another 3 bits for it while i was there. The bits are double ended, so it's like having 8 bits all up. Cost me under $30.

Image

Author:  BlueSuzy [ Tue Jul 15, 2008 8:21 pm ]
Post subject:  Re: Drilling out spot welds

never heard of it!

I just use a drill bit. Punch the cetre, then drill :P

Author:  Damo [ Tue Jul 15, 2008 8:23 pm ]
Post subject:  Re: Drilling out spot welds

BlueSuzy wrote:
never heard of it!

I just use a drill bit. Punch the cetre, then drill :P


I've done that too, this thing is supposed to let you cut just th top layer of metal. I'll let you know how it goes though!

Author:  Dee [ Tue Jul 15, 2008 8:24 pm ]
Post subject:  Re: Drilling out spot welds

you can just grind the spot welds down, when you've ground far enough it breaks the join and you don't have a hole left in the panel to fill.

Author:  steve [ Tue Jul 15, 2008 8:24 pm ]
Post subject:  Re: Drilling out spot welds

very technological there Damo.

If your sills are rusty right through then fair enough, but i used a grinder to remove my sill brackets, very carefully, so then i did not have any drill holes through the panels, so i didn't have to repair the drill holes.

Author:  royce [ Tue Jul 15, 2008 8:25 pm ]
Post subject:  Re: Drilling out spot welds

they rock, especially on cars that all the panels are welded on

Author:  Damo [ Tue Jul 15, 2008 8:26 pm ]
Post subject:  Re: Drilling out spot welds

Jeez you guys are almost worse than my missus. Like I need an excuse to buy more tools :P :lol:

Author:  royce [ Tue Jul 15, 2008 8:34 pm ]
Post subject:  Re: Drilling out spot welds

I might have to get you a bible, there goes all your money for the next 50 years :wink:

Author:  basketcase [ Tue Jul 15, 2008 8:49 pm ]
Post subject:  Re: Drilling out spot welds

:x :x :x

I was looking one of these everywhere on the weekend. Ended up just using the angle grinder, was easier than I thought.

Would still like this for the flares. Got a link to the seller Damo??

Author:  Damo [ Tue Jul 15, 2008 9:38 pm ]
Post subject:  Re: Drilling out spot welds

royce wrote:
I might have to get you a bible, there goes all your money for the next 50 years :wink:


I'll make some space on my bookshelf 8)

Author:  Damo [ Tue Jul 15, 2008 9:40 pm ]
Post subject:  Re: Drilling out spot welds

basketcase wrote:
:x :x :x

I was looking one of these everywhere on the weekend. Ended up just using the angle grinder, was easier than I thought.

Would still like this for the flares. Got a link to the seller Damo??


This is the mob I got it from ozmestore1

Author:  just_cruizin [ Wed Jul 16, 2008 1:45 am ]
Post subject:  Re: Drilling out spot welds

I take it the centre pin is sprung and pushes up inside the bit. Just like a broach. I have seen normal twist drill bits machined / ground down to form a similar idea, like a timber spade bit also.

Author:  badger [ Mon Jul 21, 2008 9:37 pm ]
Post subject:  Re: Drilling out spot welds

My mate got some of them from his snapon man when we removed the front clip from his gq, they worked great. Then we realised you can just grind blunt or broken drill bits the same way as the snapon ones n they work just as well without the $30 each price tag
ill try find a pic of the snapon ones

Author:  Zook_Fan [ Mon Jul 21, 2008 10:58 pm ]
Post subject:  Re: Drilling out spot welds

so how did it go damo you used it yet?

Author:  Aerenandmel [ Tue Jul 22, 2008 12:29 am ]
Post subject:  Re: Drilling out spot welds

you can also use a dowel drill, (used for timber dowel joints). there almost flat on the end with a littli spike in the centre, i think that is what the snapon ones are like to.

Author:  basketcase [ Sat Jul 26, 2008 12:21 am ]
Post subject:  Re: Drilling out spot welds

I just ordered mine. Will hopefully get on to the flares with it.

Author:  Damo [ Sat Jul 26, 2008 5:38 pm ]
Post subject:  Re: Drilling out spot welds

basketcase wrote:
I just ordered mine. Will hopefully get on to the flares with it.


You coulda used mine, and did my flares are the same time :mrgreen:

Author:  basketcase [ Sat Jul 26, 2008 11:20 pm ]
Post subject:  Re: Drilling out spot welds

Damo wrote:
basketcase wrote:
I just ordered mine. Will hopefully get on to the flares with it.


You coulda used mine, and did my flares are the same time :mrgreen:


Very funny.

I think mine will not get used for a while. A lot of other things on the list to do before the virtual lift and that is not required till I get some 31/32's. But at least I'll have em there ready to go.

Author:  Damo [ Sun Jul 27, 2008 1:14 pm ]
Post subject:  Re: Drilling out spot welds

basketcase wrote:
Damo wrote:
basketcase wrote:
I just ordered mine. Will hopefully get on to the flares with it.


You coulda used mine, and did my flares are the same time :mrgreen:


Very funny.

I think mine will not get used for a while. A lot of other things on the list to do before the virtual lift and that is not required till I get some 31/32's. But at least I'll have em there ready to go.


That's what i said too!

Author:  rustyzook [ Fri Sep 12, 2008 5:33 pm ]
Post subject:  Re: Drilling out spot welds

Aerenandmel wrote:
you can also use a dowel drill, (used for timber dowel joints). there almost flat on the end with a littli spike in the centre, i think that is what the snapon ones are like to.


Thats what we use at tafe and at nymans

Author:  11_evl [ Sat Sep 13, 2008 12:15 pm ]
Post subject:  Re: Drilling out spot welds

i did my virtual lift last nite and i jus used a 5mm drill bit.. worked ok for me

Author:  Damo [ Sat Sep 13, 2008 1:06 pm ]
Post subject:  Re: Drilling out spot welds

11_evl wrote:
i did my virtual lift last nite and i jus used a 5mm drill bit.. worked ok for me


Pics? Did you cut the guards or just move the flares up?

Author:  TZAR [ Sun Sep 14, 2008 10:00 pm ]
Post subject:  Re: Drilling out spot welds

Hey Damo why didn't you use an easy out like you did once before as a hole enlarger?

Image

Author:  Damo [ Mon Sep 15, 2008 12:15 am ]
Post subject:  Re: Drilling out spot welds

TZAR wrote:
Hey Damo why didn't you use an easy out like you did once before as a hole enlarger?


:oops: 'tis true

And Brad will tell you that would be far from the stupidest thing I ever did :oops:

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