标准号:IS 6246-1980
发布日期:1980/11/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Covers requirements for gauging members for plain plug gauges for GO and NO GO members in the size range above 120 up to and including 250 mm. These plain plug gauges may also be used to check the minor diameter of internal threads when made according to IS : 4218 ( Parts I to VI ) ' ISO metric screw threads '.