Baker (India)
40 years experience in manufacturer of thread gauge
Not just a steel material but there is many hardened material & process, for example TIN coated process with hardness 84 HRC or Carbide material with longer life spend.
As a master inspection manufacturing, Baker thread plug gauges and thread ring gauge come with NABL traceable calibration certificate. Not just purchase a gauge, customer are purchase with a confident & peace of mind.