ISO Metric thread plug and ring gauges are manufactured as per international standards for accurate thread inspection and quality control.
Standards:
• IS:4218 Part-1 1976
• IS:4218 Part-2 1976 / ISO:965/1-1980(E)
• Gauging Practice: IS:2334-1976
• ISO:724-1978
• ISO:1502-1978
Diameter Range:
Up to 400 mm