I am shopping? Two differnet size parts
Part - 1
You supply 5 good quality stubby type Cobolt or Micro grain Carbide 4mm end mills (single side 4 flute). Perferably with an imperial shank.
Right down the middle you drill (EDM) a 2.00mm hole (tol. +-0.01mm) about 8mm deep from the fluted...
You could try using a 3d printer service for this. You would get a plastic version with a fair finish but not sure that it would withstand the high temp. Use it to make a mold and then cast. Probably cost you about $35-60 and take about 2 hrs.
I have seen some neat tricks done on these laser...
Make similar parts & fasteners, located Vancouver, BC. Mainly out of 303 stainless and brass.
Material: 6061-T6 (included)
Finishing: Vibratory. (not really required if as shown in pictures, parts come off machine cleanly unless high shine required, such as in mirror polished)
Surface...