... CARBIDE THREADING INSERTS SIZE RANGES ARE 11ER/16ER/22ER 11IR/16IR/22IR etc.. Items are ISO,A,AG,G,W,UN ... ,NPT,ACME,API et Carbide Threading InsertsSIZE RANGES ARE 11ER/16ER/ ... 22ER11IR/16IR/22IR etc..Items are ISO,A,AG,G,W,UN ... 7In addition, we also can produce non-standard carbide threading inserts, CNC inserts and grooving inserts.The ...