... etc.. Items are ISO,A,AG,G,W,UN,NPT,ACME,API et Threaded insert SIZE RANGES ARE 11ER/16ER/22ER11IR ... etc..Items are ISO,A,AG,G,W,UN,NPT,ACME,API et1.tolerance below +0.01mm~-0.01mm 2.Apply ... ' requirements Threaded insert( ISO,A,AG,G,W,UN,NPT,ACME,API )