
Y R IR/L-BSPT Internal BSPT (British Standard X Pipe) B.S.21-1957 Full Profile l Laydown Threading Inserts di Internal left-hand shown NUT R0.137P Dimensions Tough 1 Hard 27.5° 90° R0.137P THREADING 1°47' SCREW Designation di TPI l R X Y IC228 IC50M IC250 IC808 IC908 IC1007 06IR 28 BSPT 3.97 28.0 6.00 0.11 0.7 0.6 • 08IR 28 BSPT 4.76 28.0 8.00 0.11 0.6 0.6 • 08IR 19 BSPT 4.76 19.0 8.00 0.16 0.6 0.6 • 11IR 19 BSPT 6.35 19.0 11.00 0.16 0.8 0.9 • • • 11IRB 19 BSPT 6.35 19.0 11.00 0.16 0.8 0.9 • 11IR/L 14 BSPT 6.35 14.0 11.00 0.21 0.9 1.0 • • 16IR 28 BSPT 9.52 28.0 16.00 0.11 0.6 0.6 • 16IR 19 BSPT 9.52 19.0 16.00 0.16 0.8 0.9 • • 16IRB 14 BSPT (1) 9.52 14.0 16.00 0.21 1.0 1.2 • 16IRM 14 BSPT (1) 9.52 14.0 16.00 0.21 1.0 1.2 • • • 16IR/L 14 BSPT 9.52 14.0 16.00 0.21 1.0 1.2 • • • 16IRM 11 BSPT (1) 9.52 11.0 16.00 0.28 1.1 1.5 • • • 16IRB 11 BSPT (1) 9.52 11.0 16.00 0.28 1.1 1.5 • 16IR/L 11 BSPT 9.52 11.0 16.00 0.28 1.1 1.5 • • • • • For Insert Identification System, see page 489. • For technical information and detailed cutting data, see pages 536-546 (1) With pressed chipformer. For tools, see pages: MGSIR/L (534) • SIR/L (531) 24 ±0.04 PENTA 24-BSPT BSPT (British Standard Pipe) Precision Ground External Pentagonal Full Profile 2.4 4.0 Threading Inserts with a Chipformer 55° R Dimensions Designation TPI R IC908 PENTA 24-19-BSPT 19.0 0.16 • PENTA 24-14-BSPT 14.0 0.22 • • Dmin(inch)=5.435/TPI For tools, see pages: PCADR/L (268) • PCADR/L-JHP (268) • PCHBR/L (269) • PCHPR/L (268) • PCHR/L-24 (265) • PCHR/L-24-JHP (266) 17.7 Ref. (a) ±0.025 TIP-P-BSPT Precision Ground BSPT (British Standard Pipe) External Double-Ended Full Profile Threading Inserts with 55° W a Chipformer R Dimensions Tough 1 Hard Designation W R ±0.03 TPI IC08 IC908 TIP 2P28-BSPT 2.40 0.11 28.0 • • TIP 2P19-BSPT 2.40 0.16 19.0 • • TIP 2P14-BSPT 2.40 0.22 14.0 • • TIP 4P11-BSPT 4.00 0.28 11.0 • • • (a) TIP inserts are 1.6 mm longer than GIP in the same pocket. • Toolholder seat needs to be modified according to insert profile to ensure clearance. For tools, see pages: C#-GHDR/L (233) • CGHN-D (239) • CGHN-DG (239) • CGHN-S (239) • CGPAD (238) • CGPAD-JHP (238) • GHDR/L (short pocket) (233) • GHDR/L-JHP (short pocket) (234) • GHGR/L (235) • GHMPR/L (232) • GHMR/L (232) • GHSR/L (312) • GHSR/L-JHP-SL (313) 513