In article , N_Cook wrote:
Now I've worked out how to make a 5mm diameter hollow end face cutter , to
go in a Dremmel.
Diamond-tipped hollow drill bits/saws are commonly available (they're
used for punching holes in ceramics, gemstones, tiles, etc.) and they
work quite nicely on PCB material... they make nice pad-cutters.
--
Dave Platt AE6EO
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