Niigata Seiki

THERAD LIMIT RING GAUGE( OLD JIS FOR MACHINE WORK CLASS 2 / GRWRⅡ)

GO/NOGO gauge for checking accuracy of thread

USE

  • For Internal / external screw thread inspection

FEATURES

  • Enables to inspect whether threaded parts are within upper/lower limits of the screw’s prescribed dimensional precision.
  • Provided with inspection report
  • Thread limit Gauge is used to perform GO / NOGO inspection based on the minimum and maximum dimensions prescribed for each screw grade.
  • For acceptance of a threaded part, GO gauge should thread without any difficulties and NOGO should not thread more than two complete revolutions.

MATERIAL

  • Alloy tool steel