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IR/L-W : Internal Whitworth (BSW, BSF, BSP), full profile laydown threading inserts. IR/L - Ground periphery and rake, IRB - With a chipformer and peripherally ground, IRM - With a chipformer. Application: fittings and pipe couplings.
Internal left-hand shown
 
Internal left-hand shown
 
  DesignationOrd IC TPI  RE INSL PDY PDX HAND CICT  SC e AN CBMD CEDC ClssID CNC COATP D1 EPSR FTDZ GAN GRDMFG GTC HA HB IFS IH IIC ISCTMP ISYC NIS NT PDPT S S1 SSC  TCTR THFT TP  TPT TTP UST ZAX GICATGIREMgiicTough ‹————› Hard
Grade & Vc
  06IR 26 W 2~4.0026.00.106.880.70.6R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$57059040035413~GEMLI16121010~202-08~1~1~~~~06~~WH55~-~F~INT~C~1~5902467 1IC228 
  08IR 28 W 8~5.0028.00.118.240.50.6R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$66402280471742~GEMLI16121010~202-08~1~1~~~~08~~WH55~-~F~INT~C~1~5994940 1IC228 
  08IR 19 W 12~5.0019.00.158.240.60.6R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$66402280471742~GEMLI16121010~202-08~1~1~~~~08~~WH55~-~F~INT~C~1~5998366 3IC228 IC928 IC908 
  08IR 18 W 14~5.0018.00.168.240.60.7R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$66402280471742~GEMLI16121010~202-08~1~1~~~~08~~WH55~-~F~INT~C~1~5990046 1IC228 
  08IR 16 W 16~5.0016.00.188.240.60.7R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$66402280471742~GEMLI16121010~202-08~1~1~~~~08~~WH55~-~F~INT~C~1~5902462 1IC228 
  11IR 36 W 21~6.3536.00.0711.000.60.6R~1T~~0.01~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902418 1IC08 
  11IR 28 W 23~6.3528.00.1011.000.60.7R~1T~~0.01~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5901631 1IC250 
  11IR 26 W 24~6.3526.00.1011.000.70.7R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5901852 1IC228 
  11IL 24 W 25~6.3524.00.1111.000.70.8L~1T~3~0.01~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~L~IS$$130663576841344~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902351 1IC908 
  11IR 24 W 25~6.3524.00.1111.000.70.8R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902307 1IC908 
  11IR 20 W 27~6.3520.00.1411.000.80.9R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902308 2IC250 IC908 
  11IR 19 W 28~6.3519.00.1711.000.81.0R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902140 2IC250 IC908 
  11IL 18 W 29~6.3518.00.1611.000.81.0L~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~L~IS$$130663576841344~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902513 1IC908 
  11IR 18 W 29~6.3518.00.1811.000.80.9R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902173 1IC908 
  11IR 16 W 30~6.3516.00.1811.000.91.1R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5995641 1IC908 
  11IL 14 W 31~6.3514.00.2311.000.91.1L~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~L~IS$$130663576841344~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902316 1IC908 
  11IR 14 W 31~6.3514.00.2311.000.91.1R~1T~~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~5902500 5IC228 IC250 IC08 IC908 IC1007 
  11IRB 14 W 31~6.3514.00.2311.000.91.0R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$197153480986128~GEMLI16121010~202-08~1~1~~~~11~~WH55~-~F~INT~C~1~3303062 1IC908 
  16IR 32 W 42~9.5232.00.0916.490.60.6R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5901056 1IC50M 
  16IR 28 W 43~9.5228.00.0916.490.60.7R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5901732 1IC250 
  16IR 26 W 44~9.5226.00.1216.490.80.8R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902356 1IC908 
  16IR 24 W 45~9.5224.00.1116.490.70.8R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902027 1IC908 
  16IR 22 W 46~9.5222.00.1316.490.80.9R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902541 1IC908 
  16IL 20 W 47~9.5220.00.1416.490.80.9L~1T~3~0.01~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~L~IS$$392552748973602~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5903366 2IC250 IC908 
  16IR 20 W 47~9.5220.00.1416.490.70.8R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5993361 2IC250 IC908 
  16IRM 20 W   47~9.5220.00.1416.490.80.9R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5999914 With pressed chipformer 1IC908 
  16IR 19 W 48~9.5219.00.1716.490.70.8R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5991905 2IC250 IC908 
  16IRB 19 W   48~9.5219.00.1716.490.70.8R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902829 With pressed chipformer 1IC908 
  16IRM 19 W   48~9.5219.00.1516.490.81.0R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5920298 With pressed chipformer 1IC250 
  16IL 18 W 49~9.5218.00.1816.490.80.8L~1T~3~0.01~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~L~IS$$392552748973602~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902519 1IC908 
  16IR 18 W 49~9.5218.00.1816.490.80.8R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902026 1IC908 
  16IR 16 W 50~9.5216.00.2016.491.01.0R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5990098 1IC908 
  16IRB 16 W   50~9.5216.00.2016.491.01.2R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902830 With pressed chipformer 1IC908 
  16IRM 16 W   50~9.5216.00.1816.490.91.1R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5901578 With pressed chipformer 1IC908 
  16IL 14 W 51~9.5214.00.2316.491.01.2L~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~L~IS$$392552748973602~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5991774 1IC908 
  16IR 14 W 51~9.5214.00.2316.491.01.2R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5994755 5IC228 IC250 IC08 IC908 IC1007 
  16IR 14 W 2M   51~9.5214.00.1916.491.72.6R~2T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-09~1~2~~~~16~~WH55~-~F~INT~C~~5902453 Multi-tooth 2IC908 IC1007 
  16IRB 14 W   51~9.5214.00.2316.491.01.2R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902831 With pressed chipformer 1IC908 
  16IRM 14 W   51~9.5214.00.2116.491.01.2R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5921241 With pressed chipformer 4IC250 IC808 IC908 IC1007 
  16IR 12 W 52~9.5212.00.2716.491.21.5R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902049 1IC908 
  16IL 11 W 53~9.5211.00.2916.491.11.5L~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~L~IS$$392552748973602~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902242 1IC908 
  16IR 11 W 53~9.5211.00.2916.491.11.5R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5994745 6IC228 IC50M IC250 IC08 IC908 IC1007 
  16IRB 11 W   53~9.5211.00.2816.491.11.5R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902832 With pressed chipformer 1IC908 
  16IRM 11 W   53~9.5211.00.2716.491.11.5R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5921239 With pressed chipformer 5IC250 IC508 IC808 IC908 IC1007 
  16IR 10 W 54~9.5210.00.3216.491.11.1R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902130 1IC908 
  16IRB 10 W   54~9.5210.00.3116.491.11.5R~1T~3~0.00~~B~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902833 With pressed chipformer 1IC908 
  16IR 9 W 55~9.529.00.3416.491.21.7R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5998223 1IC250 
  16IL 8 W 56~9.528.00.4116.491.11.1L~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~~3~L~IS$$392552748973602~GEMLI16121010~202-08~1~1~~~~16~~WH55~~F~INT~C~~5901862 2IC50M IC908 
  16IR 8 W 56~9.528.00.4116.491.11.1R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$543619502068992~GEMLI16121010~202-08~1~1~~~~16~~WH55~-~F~INT~C~~5902226 1IC908 
  22IR 14 W 3M   60~12.7014.00.2122.002.84.5R~3T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$259021191977800~GEMLI16121010~202-09~1~3~~~~22~~WH55~-~F~INT~C~~5902450 Multi-tooth 1IC908 
  22IR 11 W 2M   61~12.7011.00.0922.002.33.4R~2T~3~0.01~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$259021191977800~GEMLI16121010~202-09~1~2~~~~22~~WH55~-~F~INT~C~~5995000 Multi-tooth 1IC908 
  22IR 7 W 62~12.707.00.4522.001.62.3R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$259021191977800~GEMLI16121010~202-08~1~1~~~~22~~WH55~-~F~INT~C~~5902290 1IC908 
  22IR 6 W 63~12.706.00.5222.001.62.3R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$259021191977800~GEMLI16121010~202-08~1~1~~~~22~~WH55~-~F~INT~C~~5997593 1IC250 
  22IR 5 W 64~12.705.00.6522.001.72.4R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$259021191977800~GEMLI16121010~202-08~1~1~~~~22~~WH55~-~F~INT~C~~5901771 1IC250 
  27IR 4.5 W 68~15.884.50.7327.501.82.6R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$115524468841968~GEMLI16121010~202-08~1~1~~~~27~~WH55~-~F~INT~C~~5902022 1IC250 
  27IR 4 W 69~15.884.00.8227.502.02.9R~1T~3~0.00~~Z~3~71DDA089C8D1E~3~~~60.0~~~~INSCPRFTHF~~0.00~3~R~IS$$115524468841968~GEMLI16121010~202-08~1~1~~~~27~~WH55~-~F~INT~C~~5995745 1IC908 
For Insert Identification System, click on "More Info".
Tolerance: medium class
For cutting speed recommendations, click on the required grade number related to specific item geometry

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