Afternoon All,
Just looking for some recommendations for a bit to drill out the spot welds for my various repairs
Ian
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| Spot Weld Drills https://www.ausmini.com/forums/viewtopic.php?f=2&t=74481 |
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| Author: | min16i [ Sun Dec 04, 2011 2:38 pm ] |
| Post subject: | Spot Weld Drills |
Afternoon All, Just looking for some recommendations for a bit to drill out the spot welds for my various repairs
Ian |
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| Author: | d1ck0 [ Sun Dec 04, 2011 2:52 pm ] |
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I got mine from a seller on eBay. Haven't used them yet so can't report how good they are. About $12 each from memory. Cheers, Dicko. |
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| Author: | madmorrie [ Sun Dec 04, 2011 3:06 pm ] |
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I got one like a mini hole-saw with a spring-loaded centre. It works OK, but it's very easy to chip a tooth off which makes it real hard to control. It likes to grab and goes off-centre, you really need a small hole rather then a centre punch to keep it on centre. Lately I have just been using a drill bit, about 8mm, sharpened with a really shallow point angle so it doesn't penetrate through the second panel. Heaps quicker and easier and lasts much longer. Then you just re-sharpen when you need to. Cheaper too. Madmorrie |
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| Author: | min16i [ Sun Dec 04, 2011 4:47 pm ] |
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Thanks Guys, I've had trouble deciding between the two. I might have a crack with the shallow drillbit type. Ian |
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| Author: | 68Rusty [ Sun Dec 04, 2011 4:52 pm ] |
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madmorrie wrote: Lately I have just been using a drill bit, about 8mm, sharpened with a really shallow point angle so it doesn't penetrate through the second panel. Heaps quicker and easier and lasts much longer. Then you just re-sharpen when you need to. Cheaper too.
Madmorrie I normally sharpen one up also, similar to a sheet metal drill. You can also have a range of drill sizes then too. If you know a toolmaker or someone good at sharpening drills maybe they can sharpen for you? |
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| Author: | haze blue 850 [ Mon Dec 05, 2011 8:38 pm ] |
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IAN. There are several methods as aove, which are excelent if you need to save the panel. If your going to replace the panel with new, then I find its fairly easy to grab a small grinder, and with the tip of the wheel, I grind into the "spot". The top sheet (around the spot) sits up about 1/2 mm and this weakens it enough to rock n roll off. As I said, its quick but destroys the old panel. Alex. |
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