Homebrew PCBs

Buy carbide PCB drills from DigiKey. They have 1/8" shanks. Try to find a 
Dremel drill press.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Alessio Sangalli" <alesan@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Tuesday, June 15, 2010 1:21 AM
Subject: [Homebrew_PCBs] About holes


> Hi, I think I am becoming good at making holes even for vias and of
> course for through-hole components. I can make tiny holes, the results
> are very satisfactory, but part of the procedure is complicated.
>
> First of all, I bought these:
> http://www.harborfreight.com/20-piece-solid-carbide-micro-bit-grab-bag-44924.html
>
> but they looked so fragile, I do not have a press, just a regular
> dremel. So I returned them and bought:
>
> http://www.harborfreight.com/30-piece-hss-mini-drill-set-94606.html
> for 4 dollars, 30 bits that work fairly well!!!
>
> The only problem is that the dremel can only take rather big bits. For
> this reason I roll some tape around the bit up until the diameter is
> compatible with the dremel collet, and then I drill. Sometimes I can
> only make one hole, other times I can make 20 but eventually the bit
> will "slide in" and I have to remove it, replace the tape and start
> again. This takes a lot of time.
>
> Suggestions?
>
> bye
> as
>
>
>
>
> ------------------------------------
>
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> Photos:
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