IS 9608-1985 Specifications for measuring elements of GO and NO GO screw plug gauges and screw check plug gauges for ISO metric threads (size range above M40 up to and including M120)
Covers the requirements for gauging members for GO and NO GO screw plug gauges for ISO metric internal threads and GO and NO GO screw check plug gauges for GO and NO GO new solid screw ring gauges in the size range above M40 up to and including M120 diameter for ISO metric screw threads according to IS : 4218 ( Parts 1 to 6 ) 'ISO metric screw threads'.
IS 9608-1985 history
1986IS 9608-1985 Specifications for measuring elements of GO and NO GO screw plug gauges and screw check plug gauges for ISO metric threads (size range above M40 up to and including M120)