Metal Working Tools - Threading - - ER/L-UN - ISCAR
https://www.iscar.com/eCatalog/Family.aspx?fnum=126&mapp=TH&GFSTYP=M
WebFor threading between walls use GRIP-type insert TIP-UN. Threading - - ER/L-UN : External American UN full profile (UN, UNC, UNF, UNEF) laydown threading inserts. ER/L - ground periphery and rake, ERB - with a chipformer and peripherally ground, ERM - with a chipformer for general applications.
DA: 69 PA: 69 MOZ Rank: 82