Ignoramus30138 wrote:
On 2010-12-17, Pete wrote:

(...)

Remember that 1/2-13 hold down hardware is the norm for Bridgeport sized
machines, so 1/4-20 wouldn't be very popular.

Well, if so, I will make 1/2-13 holes. I will try to do it with a form
tap, since this is aluminum. I would space the holes a little wider
then, maybe one every 2 inches.

Also consider an expanding wedge-clamp feature fixed
to the back side to engage a T-slot for automatic
Y-alignment.

--Winston