Grade TT7010 TT9030 BSPT (BRITISH STANDARD PIPE THREAD) EXTERNAL - FULL PROFILE (B.S.21-1957) Regular Type Application: Steam, Gas and Water Pipes *Right hand shown Designation ThreadType Hand Insert IC TPI L R X YType(inch)(inch)(inch)(inch)(inch) 16EL11BSPT External Left Regular 0.375 11 0.630 0.011 0.043 0.059 16EL14BSPT External Left Regular 0.375 14 0.630 0.008 0.039 0.047 16EL19BSPT External Left Regular 0.375 19 0.630 0.006 0.031 0.035 16EL28BSPT External Left Regular 0.375 28 0.630 0.004 0.024 0.024 16ER11BSPT External Right Regular 0.375 11 0.630 0.011 0.043 0.059 16ER14BSPT External Right Regular 0.375 14 0.630 0.008 0.039 0.047 16ER19BSPT External Right Regular 0.375 19 0.630 0.006 0.031 0.035 16ER28BSPT External Right Regular 0.375 28 0.630 0.004 0.024 0.024 =P =M =K =N =S =H 1222