Subject: [Shop-talk] step drilling holes

From: "john niolon" <[email-masked]>
Date: Tue, 9 Aug 2016 17:02:30 -0500

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had to drill some one inch holes (several) in 1/2=E2=80=9D plate.  Using =
a drill press so that helps... I wouldn=E2=80=99t try a 1=E2=80=9D hole =
with a hand drill ! Didn=E2=80=99t really think a hole saw was the right =
way so I just stepped up starting with a 3/8=E2=80=9D bit then up to =
3/4. then up to 1=E2=80=9D... Worked fine.. lots of oil, took my time... =
but while I was bored (pardon the pun) I was thinking about the best =
steps to use...   when drilling large diameter in thick steel is there =
an accepted increment you should use ??  1/4=E2=80=9D increments ??  =
1/8=E2=80=9D ??      job is done but I was never taught this I just =
kinda used what I thought would work.   Suggestions ??

thanks
John

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<DIV style=3D"FONT-SIZE: 12pt; FONT-FAMILY: 'Calibri'; COLOR: #000000">
<DIV>had to drill some one inch holes (several) in 1/2=E2=80=9D =
plate.&nbsp; Using a=20
drill press so that helps... I wouldn=E2=80=99t try a 1=E2=80=9D hole =
with a hand drill ! Didn=E2=80=99t=20
really think a hole saw was the right way so I just stepped up starting =
with a=20
3/8=E2=80=9D bit then up to 3/4. then up to 1=E2=80=9D... Worked fine.. =
lots of oil, took my=20
time... but while I was bored (pardon the pun) I was thinking about the =
best=20
steps to use...&nbsp;&nbsp; when drilling large diameter in thick steel =
is there=20
an accepted increment you should use ??&nbsp; 1/4=E2=80=9D increments =
??&nbsp; 1/8=E2=80=9D=20
??&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; job is done but I was never taught this =
I just=20
kinda used what I thought would work.&nbsp;&nbsp; Suggestions ??</DIV>
<DIV>&nbsp;</DIV>
<DIV>thanks</DIV>
<DIV>John</DIV>
<DIV>&nbsp;</DIV></DIV></DIV></BODY></HTML>

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