THREADING IC250IC250 IC908IC908IC908 INSL S API ROUND THREADING PDX FLDC-RD-75M Double-Ended Precision, Flat Top 60˚ Multi-Tooth Threading Inserts BW Left-hand shown 30° 30° NUT Dimensions IPF TAPER 1:16 90° SCREW Designation TPI(1) IPF PDX BW S INSL FLDC-6-8RDR75 8.0 3/4 1.80 9.73 11.51 28.45 • FLDC-6-10RDR75 10.0 3/4 3.40 9.73 11.51 28.45 • • DMIN according to related boring bar (1) Threads per inch API PDX ER/L-API RE External API - Oil Thread Profile PDY Laydown Threading Inserts INSL IC External right-hand shown TP NUT30°30° Dimensions Tough 1  Hard 90° IPF SCREW Designation IC RE INSL TPI(4) IPF PDX PDY Size(5) 22ER 5 API 403 (1) 12.70 0.49 22.00 5.0 3 1.8 2.5 2.375"-4.5"REG • • 27ER 4 API 382 (2) 15.88 0.96 27.50 4.0 2 2.1 2.8 NC23-NC50 • • 27ER 4 API 383 (2) 15.88 0.96 27.50 4.0 3 2.1 2.8 NC56-NC77 • 27EL 4 API 502 (3) 15.88 0.64 27.50 4.0 2 2.0 3.0 6-5/8" REG • 27ER 4 API 502 (3) 15.88 0.64 27.50 4.0 2 2.0 3.0 6-5/8" REG • • 27ER 4 API 503 (3) 15.88 0.64 27.50 4.0 3 2.0 3.0 5-1/2,7-5/8,8-5/8REG • • For Insert Identification System, see pages 638-639 • For technical information and detailed cutting data, see pages 711-727 (1) V-0.040 (2) V-0.050 (3) V-0.038R (4) Threads per inch (5) Connection no. or size For tools, see pages: C#-SER/L (701) • SER-D (702) • SER/L (700) PDX IR/L-API RE Internal API - Oil Thread Profile PDY Laydown Threading Inserts INSL IC Internal left-hand shown TP NUT30°30° Dimensions Tough 1  Hard 90° IPF SCREW Designation IC INSL TPI(4) RE PDY PDX Size(5) 22IR 5 API 403 (1) 12.70 22.00 5.0 0.51 1.8 2.5 2.375"-4.5"REG • • 27IR 4 API 382 (2) 15.88 27.50 4.0 0.96 2.1 2.8 NC23-NC50 • • 27IR 4 API 383 (2) 15.88 27.50 4.0 0.96 2.1 2.8 NC56-NC77 • 27IR/L 4 API 502 (3) 15.88 27.50 4.0 0.64 2.0 3.0 6-5/8" REG • 27IR 4 API 503 (3) 15.88 27.50 4.0 0.64 2.0 3.0 5-1/2,7-5/8,8-5/8REG • • For Insert Identification System, see pages 638-639 • 0.050, API Spec 74-1994 • For technical information and detailed cutting data, see pages 711-727 (1) V-0.040 (2) V-0.050 (3) V-0.038R (4) Threads per inch (5) Connection no. or size For tools, see pages: AVC-D-SIR/L (707) • SIR/L (703) 690 ISCAR