Vintage Glass Coring Drill Bits For Lens Makers

US $75.00

  • Brookfield, Connecticut, United States
  • Jan 30th
Vintage custom made brass and copper large diameter coring drills for glass and lapidary.  Used with abrasive slurry.  Lot of seven.  Inside diameters as follows:  7.375, 5.920, 5.625, 5.515, 5.465, 4.755, 3.865 inches.  Heavy.

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