[Healeys] Holes in Painted Surface

[Oudesluys]

Double tape, marker and use one of those stepped drill bits until you 
have the right size hole. Use a variable speed electric drill square on 
the surface and start from zero rpm-slowly. Use some WD40 or machining 
oil for cooling the metal.
Kees Oudesluijs


Op 12-4-2016 om 14:26 schreef Bob Spidell:
> I don't think the punch would be any worse than the drill, and without 
> it the bit will likely skitter across the surface, doing more damage 
> than the punch.  I think it's risky no matter how you do it, but at 
> least the tape gives you a sporting chance.  What do you need to 
> drill, after painting?
>
>
> On 4/12/2016 4:44 AM, Michael MacLean wrote:
>> Have a just finished BN2 body and have not drilled any holes in it 
>> yet. Just don't want to screw up the paint job after costing so 
>> much.  I had not thought of using a puch to "start" the hole.  
>> Wouldn't that crack the paint?
>> Mike
>>
>>
>> On Tuesday, April 12, 2016 4:26 AM, Bob Spidell 
>> <bspidell at comcast.net> wrote:
>>
>>
>>
>>     I suspect it would depend on type of material, type of paint,
>>     condition of both, etc. but have always assumed applying some
>>     kind of tape--electrical, masking, etc.--over and under--if the
>>     underneath is painted, too--the area to be drilled is about all
>>     you can do to prevent chipping.  Make sure you use a sharp bit,
>>     and a variable speed drill so you can start slow to drill through
>>     the paint.
>>
>>     Begs the question: do you use a punch to 'prime' the hole--with
>>     or without tape--before drilling?
>>
>>     Bob
>>
>>     On 4/12/2016 12:29 AM, Michael MacLean wrote:
>>>     What's the best way to drill holes in a painted surface?
>>>     Mike MacLean
>>>
>>
>>
>>
>
>
>
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