Brass is tricky to drill. The drill bites in too deep and tends to break.
You have to sharpen the bit with less rake angle.

On Thu, Apr 5, 2012 at 11:05 AM, Randall Pratt  wrote=
:

>  James,****
>
> ** **
>
> I=E2=80=99m not sure what the part looks like.  Are you drilling across t=
he
> cylinder or centered on the end of it?  If drilling across use a V-block =
in
> a drill press.  Soluble oil is probably the recommended cutting oil but
> some other light oil or even lard could work if you only have a few holes=
.
> The lube will help the chips clear and also cools the bit.   An .030
> without a drill press will be a challenge.  In this case don=E2=80=99t fo=
rce the
> drill, clear out the chips and lube often and watch so the bit doesn=E2=
=80=99t get
> side pressure.  ****
>
> ** **
>
> Randy****
>
> ** **
>
=C2=A0 Brass is tricky to dri=
ll. The drill bites in too deep and tends to break. You have to sharpen the=
 bit with less rake angle.

=
On Thu, Apr 5, 2012 at 11:05 AM, Randall Pratt <rpratt@.............> wrote=
:















James,

=C2=A0

I=E2=80=99m not sure what the part looks like.=C2=A0 Ar=
e you
drilling across the cylinder or centered on the end of it?=C2=A0 If drillin=
g
across use a V-block in a drill press. =C2=A0Soluble oil is probably the
recommended cutting oil but some other light oil or even lard could work if=
 you
only have a few holes.=C2=A0 The lube will help the chips clear and also co=
ols
the bit.=C2=A0 =C2=A0An .030 without a drill press will be a challenge. =C2=
=A0In
this case don=E2=80=99t force the drill, clear out the chips and lube often=
 and
watch so the bit doesn=E2=80=99t get side pressure.=C2=A0 

=C2=A0

Randy

=C2=A0