PMC Lone Star a PMC Gage Company – PMC Companies
PMC Lone Star maintains the most complete source of Master Gages outside of N.I.S.T. All gages are made of tool steel hardened to Rockwell C 60-62 and are cryogenically frozen to insure their stability. Each gage is put through a series of in-process and final inspections with tolerances to ±0.0002 of an inch (±5 µm).
