
Y R Application: NUT X General Industry, Fittings and Pipe Couplings L IC SCREW WHITWORTH FULL PROFILE (BS 84-1956 DIN259 MEDIUM CLASS) Designation Thread Type Hand IC (inch) TPI L (inch) R (inch) X (inch) Y (inch) Grade 16ERB10W 10 0.012 0.043 0.059 16ERB11W 11 0.012 0.043 0.059 16ERB14W EXTERNAL 14 0.009 0.039 0.047 16ERB16W 16 0.007 0.035 0.043 16ERB19W 19 0.003 0.031 0.039 RIGHT 0.375 0.630 TT9030 16IRB10W 10 0.012 0.043 0.059 16IRB11W 11 0.012 0.043 0.059 16IRB14W INTERNAL 14 0.009 0.039 0.047 16IRB16W 16 0.007 0.035 0.043 16IRB19W 19 0.006 0.031 0.039 Y R Application: NUT X Steam, Gas and Water Pipes L IC NPT (NATIONAL PIPE TAPERED THREAD) FULL PROFILE (ANSI/ASME B1.20.1-1983) Designation Thread Type Hand IC (inch) TPI L (inch) R (inch) X (inch) Y (inch) Grade 16ERB8NPT 8 0.006 0.047 0.071 16ERB11.5NPT 11.5 0.004 0.043 0.059 EXTERNAL 16ERB14NPT 14 0.002 0.035 0.047 16ERB18NPT RIGHT 0.375 18 0.630 0.002 0.031 0.039 TT9030 16IRB8NPT 8 0.006 0.047 0.071 16IRB11.5NPT INTERNAL 11.5 0.004 0.043 0.059 16IRB14NPT 14 0.002 0.035 0.047 233