... 11IR/16IR/22IR etc.. Items are ISO,A,AG,G,W,UN,NPT,ACME,API carbide internal & external threading insert ... 22ER11IR/16IR/22IR etc..Items are ISO,A,AG,G,W,UN,NPT,ACME,API et1.tolerance below +0. ... LDCTNMG160408-TF LF901816 ER 14 W K1516 IR 12 W LDCWNMG080404-TF LF901116 ER 14 W LDA16 IR 14 BSPT ... inserts, CNC inserts and grooving inserts.The performance of our insert can be as good as Tungaloy and ...