12-15-2018, 01:17 PM
I'd do it with a sinker EDM, simple domed copper electrode and off you go. EDM doesn't much care how hard materials are !
Andrew Mawson, proud to be a member of MetalworkingFun Forum since Oct 2013.
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Drilling 95% Tungsten Darts
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Drilling 95% Tungsten Darts - by Wongster - 12-15-2018, 02:24 AM
RE: Drilling 95% Tungsten Darts - by TomG - 12-15-2018, 11:07 AM
RE: Drilling 95% Tungsten Darts - by Wongster - 12-16-2018, 08:46 AM
RE: Drilling 95% Tungsten Darts - by TomG - 12-16-2018, 09:44 AM
RE: Drilling 95% Tungsten Darts - by awemawson - 12-15-2018, 01:17 PM
RE: Drilling 95% Tungsten Darts - by Mike E. - 12-16-2018, 06:07 AM
RE: Drilling 95% Tungsten Darts - by Wongster - 12-16-2018, 08:49 AM
RE: Drilling 95% Tungsten Darts - by Mike E. - 12-16-2018, 09:24 AM
RE: Drilling 95% Tungsten Darts - by Wongster - 12-23-2018, 08:36 PM
RE: Drilling 95% Tungsten Darts - by Umahunter - 12-27-2018, 05:01 AM
RE: Drilling 95% Tungsten Darts - by Roadracer_Al - 12-31-2018, 01:40 PM
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