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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@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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<div class="moz-cite-prefix">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.<br>
Kees Oudesluijs<br>
<br>
<br>
Op 12-4-2016 om 14:26 schreef Bob Spidell:<br>
</div>
<blockquote cite="mid:570CE98C.9060200@comcast.net" type="cite">
<meta http-equiv="Context-Type" content="text/html; charset=utf-8">
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?<br>
<br>
<br>
<div class="moz-cite-prefix">On 4/12/2016 4:44 AM, Michael MacLean
wrote:<br>
</div>
<blockquote
cite="mid:711464800.1579997.1460461464186.JavaMail.yahoo@mail.yahoo.com"
type="cite">
<div>
<div id="yui_3_16_0_ym19_1_1460461337215_8636">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?</div>
<div id="yui_3_16_0_ym19_1_1460461337215_8635">Mike<br>
</div>
<div id="yui_3_16_0_ym19_1_1460461337215_8618"><span></span></div>
<div class="qtdSeparateBR"><br>
<br>
</div>
<div class="yahoo_quoted">
<div>
<div>
<div dir="ltr"> On Tuesday, April 12, 2016 4:26 AM, Bob
Spidell <a moz-do-not-send="true"
class="moz-txt-link-rfc2396E"
href="mailto:bspidell@comcast.net";><bspidell@comcast.net></a>
wrote:<br>
</div>
<blockquote> <br>
<br>
<div class="y_msg_container">
<div id="yiv3636857433">
<div> 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.<br>
<br>
Begs the question: do you use a punch to 'prime'
the hole--with or without tape--before drilling?<br>
<br>
Bob<br>
<br>
<div class="yiv3636857433yqt2347090592"
id="yiv3636857433yqt40397">
<div class="yiv3636857433moz-cite-prefix">On
4/12/2016 12:29 AM, Michael MacLean wrote:<br>
</div>
<blockquote type="cite">
<div>
<div
id="yiv3636857433yui_3_16_0_ym19_1_1460445982370_18849">What's
the best way to drill holes in a painted
surface?</div>
<div dir="ltr">Mike MacLean<br>
</div>
</div>
<br>
</blockquote>
</div>
<br>
</div>
</div>
<br>
<br>
</div>
</blockquote>
</div>
</div>
</div>
</div>
</blockquote>
<br>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
<br>
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