Y IR/L-API Internal API - Oil Thread Profile X Laydown Threading Inserts l di Internal left-hand shown P NUT Tough 1 30° 30° Dimensions Hard THREADING 90° IPF SCREW Designation di TPI l IPF X Y Size (4) IC50M IC250 IC908 22IR/L 5 API 403 (1) 12.70 5.0 22.00 3 1.8 2.5 2.375"-4.5"REG • • • 27IR/L 4 API 382 (2) 15.88 4.0 27.00 2 2.1 2.8 NC23-NC50 • • • 27IR 4 API 383 (2) 15.88 4.0 27.00 3 2.1 2.8 NC56-NC77 • 27IR/L 4 API 502 (3) 15.88 4.0 27.00 2 2.0 3.0 6-5/8" REG • • 27IR/L 4 API 503 (3) 15.88 4.0 27.00 3 2.0 3.0 5-1/2,7-5/8,8-5/8REG • • • For Insert Identification System, see page 489 • 0.050, API Spec 74-1994. • For technical information and detailed cutting data, see pages 536-546 (1) V-0.040 (2) V-0.038R (3) V-0.050 (4) Connection no. or size For tools, see pages: SIR/L (531) Y ER-BUT External BUT - Oil Thread X Profile Laydown Threading l Inserts for Buttress Casing di External right-hand shown NUT 3° 10° Dimensions Tough 1 Hard 90° IPF SCREW Designation di TPI l IPF X Y Size (1) IC50M IC250 IC908 22ER 5 BUT 0.75 12.70 5.0 22.00 0.75 2.2 2.4 4-1/2" - 13-3/8" • • • 22ER 5 BUT-1.00 12.70 5.0 22.00 1.0 2.3 2.4 16" - 20" • • For Insert Identification System, see page 489 • ANSI B1.9.1973 Class 2 • For technical information and detailed cutting data, see pages 536-546 (1) Connection no. or size For tools, see pages: C#-SER/L (530) • SER-D (530) • SER/L (529) Y IR-BUT Internal BUT - Oil Thread X Profile Laydown Threading l Inserts for Buttress Casing di Internal left-hand shown NUT 3° 10° Dimensions Tough 1 Hard 90° IPF SCREW Designation di TPI l IPF X Y Size (1) IC50M IC250 IC908 22IR 5 BUT 0.75 12.70 5.0 22.00 0.75 2.2 2.4 4-1/2" - 13-3/8" • • • 22IR 5 BUT 1.00 12.70 5.0 22.00 1.00 2.3 2.4 16" - 20" • • For Insert Identification System, see page 489. • ANSI B1.9.1973 Class 2. • For technical information and detailed cutting data, see pages 536-546 (1) Connection no. or size For tools, see pages: SIR/L (531) 522 ISCAR