Grade TT9030 BSPT (BRITISH STANDARD PIPE THREAD) INTERNAL - 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) 06IL27BSPT Internal Left Regular 0.156 27 0.236 0.004 0.028 0.024 11IL14BSPT Internal Left Regular 0.250 14 0.433 0.008 0.035 0.039 11IL19BSPT Internal Left Regular 0.250 19 0.433 0.006 0.031 0.035 11IL28BSPT Internal Left Regular 0.250 28 0.433 0.004 0.024 0.024 16IL11BSPT Internal Left Regular 0.375 11 0.630 0.011 0.043 0.059 16IL14BSPT Internal Left Regular 0.375 14 0.630 0.008 0.039 0.047 16IL19BSPT Internal Left Regular 0.375 19 0.630 0.006 0.031 0.035 16IL28BSPT Internal Left Regular 0.375 28 0.630 0.004 0.024 0.024 11IR19BSPT Internal Right Regular 0.250 19 0.433 0.006 0.031 0.035 11IR28BSPT Internal Right Regular 0.250 28 0.433 0.004 0.024 0.024 16IR11BSPT Internal Right Regular 0.375 11 0.630 0.011 0.043 0.059 16IR14BSPT Internal Right Regular 0.375 14 0.630 0.008 0.039 0.047 =P =M =K =N =S =H 1223