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IR/L-NPT : Internal NPT (National Pipe Threads) full profile laydown threading inserts. IR/L - ground periphery and rake, IRB - with a chipformer and peripherally ground, IRM - with a chipformer. Used for steam, gas and water pipes.(-)Internal NPT (National Pipe Threads) Full Profile Laydown Threading Inserts for Steam, Gas and Water Pipes(+)
Representative Image
Internal left-hand shown
 
Representative Image
Internal left-hand shown
 
 NPT (INT.)THREAD TOL.
  Designation  GIFUT5IC TPI INSL RE PDX PDY CICT  SC AN CBMD CEDC CNC COATP D1 FTDZ GRDMFG IFS NIS S S1 SSC  TCTR THFT TTP sSteel StaSteelCastIronHardMa NFMetalsSupTit GICATGIREMgiicGrade  Click on Grade No. for Cutting Speed
  06IR 27 NPT IC228    04.0027.06.880.040.600.601T~~Z~3~3~~~~IC228 ~3~1~~~6~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5901382 1IC228 
  08IR 18 NPT IC228    05.0018.08.240.060.800.601T~~Z~3~3~~~~IC228 ~3~1~~~8~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5996066 1IC228 
  08IR 18 NPT IC908    05.0018.08.240.060.800.601T~~Z~3~3~~~~IC908 ~3~1~~~8~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5990071 1IC908 
  11IL 18 NPT IC908    06.3518.011.000.061.000.801T~~Z~3~3~~~~IC908 ~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902862 1IC908 
  11IR 18 NPT IC250    06.3518.011.000.061.000.801T~~Z~3~3~~~~IC250 ~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~    5994822 1IC250 
  11IR 18 NPT IC908    06.3518.011.000.061.000.801T~~Z~3~3~~~~IC908 ~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902041 1IC908 
  11IRB 18 NPT IC908    06.3518.011.000.061.000.801T~~B~3~3~~~~IC908 ~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~3303072 1IC908 
  11IL 14 NPT IC250    06.3514.011.000.071.000.801T~~Z~3~3~~~~IC250 ~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~    5995332 1IC250 
  11IR 14 NPT IC1007    06.3514.011.000.071.000.801T~~Z~3~3~~~~IC1007~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~3318590 1IC1007 
  11IR 14 NPT IC250    06.3514.011.000.071.000.801T~~Z~3~3~~~~IC250 ~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~    5901371 1IC250 
  11IR 14 NPT IC908    06.3514.011.000.071.000.801T~~Z~3~3~~~~IC908 ~3~1~~~11~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902030 1IC908 
  16IL 27 NPT IC250    09.5227.016.490.050.800.701~~Z~~~~~~IC250 ~~~~~~~NPT60~INT~Steel.~Stainless Steel~    3409704 1IC250 
  16IR 27 NPT IC908    09.5227.016.490.050.800.701T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5996115 1IC908 
  16IR 18 NPT IC908    09.5218.016.490.061.000.801T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902181 1IC908 
  16IRM 14 NPT IC1007      09.5214.016.490.051.200.901T~~B~3~3~~~~IC1007~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5903439 With pressed chipformer 1IC1007 
  16IRM 14 NPT IC250      09.5214.016.490.051.200.901T~~B~3~3~~~~IC250 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~    5921178 With pressed chipformer 1IC250 
  16IRM 14 NPT IC808      09.5214.016.490.051.200.901T~~B~3~3~~~~IC808 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5921256 With pressed chipformer 1IC808 
  16IRM 14 NPT IC908      09.5214.016.490.051.200.901T~~B~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5901585 With pressed chipformer 1IC908 
  16IRB 14 NPT IC908      09.5214.016.490.071.200.901T~~B~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902601 With pressed chipformer 1IC908 
  16IL 14 NPT IC908    09.5214.016.490.081.200.901T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5903353 1IC908 
  16IR 14 NPT IC1007    09.5214.016.490.081.200.901T~~Z~3~3~~~~IC1007~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~3331989 1IC1007 
  16IR 14 NPT IC228    09.5214.016.490.081.200.901T~~Z~3~3~~~~IC228 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5901597 1IC228 
  16IR 14 NPT IC250    09.5214.016.490.081.200.901T~~Z~3~3~~~~IC250 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~    5901232 1IC250 
  16IR 14 NPT IC908    09.5214.016.490.081.200.901T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5993037 1IC908 
  16IRB 11.5 NPT IC908      09.5211.516.490.091.501.101T~~B~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902828 With pressed chipformer 1IC908 
  16IRM 11.5 NPT IC1007      09.5211.516.490.091.501.101T~~B~3~3~~~~IC1007~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5903433 With pressed chipformer 1IC1007 
  16IRM 11.5 NPT IC508      09.5211.516.490.091.501.101T~~B~3~3~~~~IC508 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~Non Ferrous Metals~Superalloys and titanium~5921205 With pressed chipformer 1IC508 
  16IRM 11.5 NPT IC808      09.5211.516.490.091.501.101T~~B~3~3~~~~IC808 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5921242 With pressed chipformer 1IC808 
  16IRM 11.5 NPT IC908      09.5211.516.490.091.501.101T~~B~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5901584 With pressed chipformer 1IC908 
  16IL 11.5 NPT IC250    09.5211.516.490.091.501.101T~~Z~3~3~~~~IC250 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~    5990607 1IC250 
  16IL 11.5 NPT IC908    09.5211.516.490.091.501.101T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5903352 1IC908 
  16IR 11.5 NPT IC1007    09.5211.516.490.091.501.101T~~Z~3~3~~~~IC1007~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~3318598 1IC1007 
  16IR 11.5 NPT IC50M    09.5211.516.490.091.501.101T~~Z~3~3~~~~IC50M ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~    5901074 1IC50M 
  16IR 11.5 NPT IC908    09.5211.516.490.091.501.101T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5901939 1IC908 
  16IRM 8 NPT IC1007      09.528.016.490.121.801.301T~~B~3~3~~~~IC1007~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5903459 With pressed chipformer 1IC1007 
  16IRM 8 NPT IC808      09.528.016.490.121.801.301T~~B~3~3~~~~IC808 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5903408 With pressed chipformer 1IC808 
  16IRM 8 NPT IC908      09.528.016.490.121.801.301T~~B~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5901583 With pressed chipformer 1IC908 
  16IRB 8 NPT IC908      09.528.016.490.111.701.201T~~B~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902827 With pressed chipformer 1IC908 
  16IL 8 NPT IC250    09.528.016.490.111.801.301T~~Z~3~3~~~~IC250 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~    5901904 1IC250 
  16IL 8 NPT IC908    09.528.016.490.111.801.301T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5903351 1IC908 
  16IR 8 NPT IC08    09.528.016.490.111.801.301T~~Z~3~3~~~~IC08 ~3~1~~~16~~NPT60~INT~    Non Ferrous Metals~ 3409720 1IC08 
  16IR 8 NPT IC250    09.528.016.490.111.801.301T~~Z~3~3~~~~IC250 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~    5901368 1IC250 
  16IR 8 NPT IC908    09.528.016.490.111.701.201T~~Z~3~3~~~~IC908 ~3~1~~~16~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5901938 1IC908 
  22IR 11.5 NPT 2M IC908      012.7011.522.000.093.502.302T~~Z~3~3~~~~IC908 ~3~1~~~22~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902445 Multi-tooth 1IC908 
  27IR 11.5 NPT 3M IC908      015.8811.527.500.095.503.303T~~Z~3~3~~~~IC908 ~3~1~~~27~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902444 Multi-tooth 1IC908 
  27IR 8 NPT 2M IC908      015.888.027.500.125.003.102T~~Z~3~3~~~~IC908 ~3~1~~~27~~NPT60~INT~Steel.~Stainless Steel~Cast Iron~Hard Materials~ Superalloys and titanium~5902448 Multi-tooth 1IC908 
For Insert Identification System, click on "More Info"
National Pipe Threads ANSI/ASME B1.20.1-1983


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