[sdiy] slider/fader slot cutting techniques

[Tom Arnold]

On Tue, Dec 09, 2008 at 11:17:29PM -0000, George Hearn wrote:
> There is a tool-bit called a 'slot drill' available in all sizes.  It's like
> an end mill but can be plunged into the work without a pilot hole.  Find
> someone with a milling machine you can borrow and buy the $2 slot drill you
> require.  If you want a really nice quality slot with high finished edges
> and perfectly straight this would be my recommended method.  George

Most 2flute and 4flute end mills are plungable also.    You can tell it is
if at least one pair of flutes is connected in the middle on the end.

As I've recently learned, an 1/8" end mill for Aluminum runs $14 for
uncoated 2 flute and $20 for coated 4 flute, and thats for taiwan.  US made
starts around $25 and the sky is the limit.

-- 
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