THREADING TABLE OF CONTENTS Threading Inserts ................................................................................. 487 Selection Guide .................................................................................... 488 Insert Identification System .......................................................................................... 489 55° Partial Profile ......................................................................................................... 490 60° Partial Profile ......................................................................................................... 493 ISO Metric Full Profile .................................................................................................. 497 American UN Full Profile .............................................................................................. 502 Whitworth Full Profile ................................................................................................... 507 NPT/NPTF Full Profile .................................................................................................. 510 BSPT ........................................................................................................................... 512 Round DIN 405 ........................................................................................................... 523 STUB ACME ............................................................................................................... 514 ACME .......................................................................................................................... 515 UNJ ............................................................................................................................. 516 MJ ISO 5855 ............................................................................................................... 517 Trapeze DIN 103 .......................................................................................................... 518 SAGE DIN 513 ............................................................................................................ 519 American Buttress ....................................................................................................... 520 API Oil Threads ........................................................................................................... 521 Tools for Threading ............................................................................. 525 Toolholder Identification System ................................................................................... 526 External Holders .......................................................................................................... 528 Threading Bars ............................................................................................................ 531 User Guide ............................................................................................ 536 486 ISCAR