Grade TT6010 TT7010 TT8010 TT9030 UN (UN, UNC,UNF, UNEF) INTERNAL - RIGHT HAND, FULL PROFILE (UN, UNC, UNF, UNEF) ANSI B1, 3M - 1986 CLASS 2A Regular Type Application: General Industry Designation ThreadType Hand Insert IC TPI L R X YType(inch)(inch)(inch)(inch)(inch) 16IR36UN Internal Right Regular 0.375 36 0.630 0.002 0.024 0.024 16IR40UN Internal Right Regular 0.375 40 0.630 0.001 0.024 0.024 16IR44UN Internal Right Regular 0.375 44 0.630 0.001 0.024 0.024 16IR56UN Internal Right Regular 0.375 56 0.630 0.001 0.028 0.016 22IR5UN Internal Right Regular 0.500 5 0.866 0.013 0.063 0.091 22IR6UN Internal Right Regular 0.500 6 0.866 0.010 0.063 0.091 22IR7UN Internal Right Regular 0.500 7 0.866 0.009 0.063 0.091 27IR4UN Internal Right Regular 0.625 4 1.063 0.016 0.071 0.106 27IR4.5UN Internal Right Regular 0.625 4.5 1.063 0.014 0.067 0.094 =P =M =K =N =S =H 1205