Searcher7 wrote:
....
Actually, to groove 30 slots that are .156", with the same distance
between each groove, would result in 30 grooves in about 4-3/4" of
material.

30 x 0.156 (5/32") -- ~15/16*5 is the width of the grooves alone--it
would take twice that to have 30 slots plus the same distance between them.

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