Y R NUT X Application: General Industry L IC ISO FULL PROFILE (DIN13 12-1986 CLASS 6G/6H) Designation Thread Type Hand IC (inch) Pitchmm L (inch) R (inch) X (inch) Y (inch) Grade 16ERB0.80ISO 0.8 0.004 0.024 0.024 16ERB1.00ISO 1.00 0.004 0.028 0.028 16ERB1.25ISO 1.25 0.006 0.031 0.035 16ERB1.50ISO 1.50 0.007 0.031 0.039 EXTERNAL 16ERB1.75ISO 1.75 0.008 0.035 0.047 16ERB2.00ISO 2.00 0.010 0.039 0.051 16ERB2.50ISO 2.50 0.012 0.043 0.059 16ERB3.00ISO RIGHT 0.375 3.00 0.630 0.015 0.047 0.063 TT9030 16IRB1.00ISO 1.00 0.002 0.024 0.028 16IRB1.25ISO 1.25 0.003 0.031 0.035 16IRB1.50ISO 1.50 0.003 0.031 0.039 16IRB1.75ISO INTERNAL 1.75 0.004 0.035 0.047 16IRB2.00ISO 2.00 0.004 0.039 0.510 16IRB2.50ISO 2.50 0.006 0.043 0.059 16IRB3.00ISO 3.00 0.007 0.043 0.059 Y R Application: NUT X Steam, Gas and Water Pipes L IC SCREW BSPT (BRITISH STANDARD TAPERED THREAD) FULL PROFILE (BS 21-1957) Designation Thread Type Hand IC (inch) TPI L (inch) R (inch) X (inch) Y (inch) Grade 16ERB11BSPT 11 0.011 0.043 0.059 EXTERNAL 16ERB14BSPT 14 0.008 0.039 0.047 RIGHT 0.375 0.630 TT9030 16IRB11BSPT 11 0.011 0.043 0.059 INTERNAL 16IRB14BSPT 14 0.008 0.039 0.047 231