Grade TT7010 TT9030 AMERICAN UN EXTERNAL - LEFT HAND, FULL PROFILE (UN, UNC, UNF, UNEF) ANSI B1, 3M-1986 CLASS 2A Regular Type Application: General Industry Designation ThreadType Hand InsertType IC(inch) Pitch(mm) TPI L R X Y(inch)(inch)(inch)(inch) 11EL16UN External Left Regular 0.250 NA 16 0.433 0.007 0.035 0.043 11EL18UN External Left Regular 0.250 NA 18 0.433 0.007 0.031 0.039 11EL20UN External Left Regular 0.250 NA 20 0.433 0.006 0.031 0.035 11EL24UN External Left Regular 0.250 NA 24 0.433 0.005 0.028 0.031 11EL28UN External Left Regular 0.250 NA 28 0.433 0.004 0.024 0.028 11EL32UN External Left Regular 0.250 NA 32 0.433 0.004 0.024 0.024 11EL36UN External Left Regular 0.250 NA 36 0.433 0.003 0.024 0.024 11EL40UN External Left Regular 0.250 NA 40 0.433 0.002 0.024 0.024 11EL44UN External Left Regular 0.250 NA 44 0.433 0.002 0.024 0.024 11EL48UN External Left Regular 0.250 NA 48 0.433 0.002 0.024 0.024 11EL56UN External Left Regular 0.250 NA 56 0.433 0.002 0.028 0.016 16EL12UN External Left Regular 0.375 NA 12 0.630 0.010 0.043 0.055 16EL16UN External Left Regular 0.375 NA 16 0.630 0.007 0.035 0.043 16EL18UN External Left Regular 0.375 NA 18 0.630 0.007 0.031 0.039 16EL20UN External Left Regular 0.375 NA 20 0.630 0.006 0.031 0.035 16EL28UN External Left Regular 0.375 NA 28 0.630 0.004 0.024 0.028 16EL36UN External Left Regular 0.375 NA 36 0.630 0.003 0.024 0.024 16EL40UN External Left Regular 0.375 NA 40 0.630 0.002 0.024 0.024 16EL8UN External Left Regular 0.375 NA 8 0.630 0.016 0.047 0.063 22EL5UN External Left Regular 0.500 NA 5 0.866 0.026 0.067 0.098 22EL6UN External Left Regular 0.500 NA 6 0.866 0.022 0.063 0.091 22EL7UN External Left Regular 0.500 NA 7 0.866 0.019 0.063 0.091 27EL4UN External Left Regular 0.625 NA 4 1.063 0.033 0.083 0.118 27EL4.5UN External Left Regular 0.625 NA 4.5 1.063 0.030 0.075 0.106 =P =M =K =N =S =H 1198