® Thread Turning Inserts Vertical API ThreadForm PitchTPI L I.C. TaperinIPFEXTERNALOrdering Code Y T ConnectionNo. or Size V-0.040 5 27 5/8 3 TNMB 54 ER 5 API 403 2.5 6.4 23/8-41/2 REG V-0.038R 4 27 5/8 2 TNMC 55 ER 4 API 382 2.8 7.94 NC23-NC50 V-0.038R 4 27 5/8 3 TNMC 55 ER 4 API 383 2.8 7.94 NC56-NC77 V-0.050 4 27 5/8 2 TNMC 55 ER 4 API 502 3.0 7.94 65/8 REG V-0.050 4 27 5/8 3 TNMC 55 ER 4 API 503 3.0 7.94 51/2,75/8, 85/8 REG Vertical inserts to be used with compatible holders on the market Order example: TNMC 55 ER 4 API 503 BMA ThreadForm PitchTPI L I.C. TaperinIPFINTERNALOrdering Code Y T ConnectionNo. or Size V-0.040 5 27 5/8 3 TNMB 54 IR 5 API 403 2.5 6.4 23/8-41/2 REG V-0.038R 4 27 5/8 2 TNMC 55 IR 4 API 382 2.8 7.94 NC23-NC50 V-0.038R 4 27 5/8 3 TNMC 55 IR 4 API 383 2.8 7.94 NC56-NC77 V-0.050 4 27 5/8 2 TNMC 55 IR 4 API 502 3.0 7.94 65/8 REG V-0.050 4 27 5/8 3 TNMC 55 IR 4 API 503 3.0 7.94 51/2,75/8, 85/8 REG Vertical inserts to be used with compatible holders on the market Order example: TNMC 55 IR 4 API 502 BMA For carbide grade and cutting speed see page A04-2 and 3 A01-37