標準號：IS 6175 Pt.6-1992
發布日期：1992/3/1 12:00:00
實施日期：1999/12/31 12:00:00
適用范圍：This standard covers the dimensions and requirements for screwing taps for parallel pipe threads of G series conforming to IS 2643 ( Parts 1 to 3 ) : 1975 in size range G 1/16 to G 4 with relieved shank. This may be used as a hand screwing tap as well as a machine screwing tap.IS No. Title2643 Dimensions for pipe threadsfor fastening purposes:2643 Part 1 Basic profile and( Part 1 ) : 1975 dimensions2643 Part 2 Tolerances(Part 2) : 19752643 Part 3 Limits of sizes ( first( Part 3 ) : 1975 revision )