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Spot Weld Drill Bits


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#1 mercenary62

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Posted 05 April 2020 - 06:29 PM

going to be replacing the floors and boot floor in my mk1 mini in the winter what size spot weld drill bits are handiest for this 6mm 8mm or 10mm cheers for any advise



#2 alex-95

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Posted 05 April 2020 - 06:30 PM

I mostly use 6mm, and then the odd 8mm.



#3 mercenary62

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Posted 05 April 2020 - 06:57 PM

I mostly use 6mm, and then the odd 8mm.

cheers mate  cobalt seems to be the best



#4 alex-95

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Posted 05 April 2020 - 07:10 PM

 

I mostly use 6mm, and then the odd 8mm.

cheers mate  cobalt seems to be the best

 

Yep, try and get 'Dormer' ones, bit more expensive but they tend to last longer 



#5 wassupcrew

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Posted 05 April 2020 - 07:26 PM

 

 

I mostly use 6mm, and then the odd 8mm.

cheers mate  cobalt seems to be the best

 

Yep, try and get 'Dormer' ones, bit more expensive but they tend to last longer 

 

totally agree with this. dormer bits are great



#6 elliot341

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Posted 06 April 2020 - 11:46 AM

Ive had good results with a Wurth spot weld drill bit. again more expensive but if you go slow will last and do a good job



#7 Tomm

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Posted 10 April 2020 - 10:23 AM

Never had any before but recently bought a 6mm & 8mm, cheap items but work well.

I used to drill an incredibly large amount of stainless steel and my company used to buy the cheapest bulk bits available. The key is to keep the bit well lubricated and it will perform well for a prolonged period.

#8 Verderad

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Posted 10 April 2020 - 10:37 AM

I bought some from eBay. Lasted a while.
Sharpened them with grinding disc. Not perfect but smashed through both layers of panel on the first couple of spots!




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