IC228 IC928 IC50M IC250 IC08 IC508 IC808 IC908 IC1007 THREADING IR/L-UN (Continued) U-Type RE PDX PDY PDXRE PDY PDXRE Internal American UN Full Profile PDY IC (UN, UNC, UNF, UNEF) lNSL lNSL lNSL Laydown Threading Inserts for General Industry IC IC Internal left-hand shown NUT 60° 1/4 TP Dimensions Tough 1  Hard 1/8 TP SCREW Designation IC TPI(4) RE INSL PDY PDX CICT(5) 16IR 18 UN 9.52 18.0 0.08 16.49 0.7 0.8 1 • • 16IRB 18 UN (1) 9.52 18.0 0.08 16.49 0.7 0.8 1 • 16IRM 18 UN (1) 9.52 18.0 0.08 16.49 0.8 1.0 1 • • 16IL 16 UN 9.52 16.0 0.11 16.49 1.0 1.1 1 • 16IR 16 UN 9.52 16.0 0.11 16.49 0.9 1.1 1 • • 16IR 16 UN-2M (2) 9.52 16.0 0.09 16.49 1.5 2.3 2 • • 16IRB 16 UN (3) 9.52 16.0 0.11 16.49 0.9 1.1 1 • 16IRM 16 UN (1) 9.52 16.0 0.09 16.49 0.9 1.1 1 • • • 16IL 14 UN 9.52 14.0 0.10 16.49 0.9 1.1 1 • • 16IR 14 UN 9.52 14.0 0.13 16.49 0.9 1.1 1 • • 16IRB 14 UN (1) 9.52 14.0 0.13 16.49 0.9 1.1 1 • 16IRM 14 UN (1) 9.52 14.0 0.11 16.49 0.9 1.2 1 • • • • 16IL 12 UN 9.52 12.0 0.12 16.49 1.0 1.1 1 • • 16IR 12 UN 9.52 12.0 0.13 16.49 1.0 1.1 1 • • • • 16IRB 12 UN (1) 9.52 12.0 0.13 16.49 1.0 1.1 1 • 16IRM 12 UN (1) 9.52 12.0 0.12 16.49 1.1 1.4 1 • • • • 16IR 11.5 UN 9.52 11.5 0.14 16.49 1.0 1.1 1 • 16IR 11 UN 9.52 11.0 0.14 16.49 1.0 1.1 1 • 16IR/L 10 UN 9.52 10.0 0.15 16.49 1.1 1.5 1 • • 16IRB 10 UN (1) 9.52 10.0 0.15 16.49 1.1 1.5 1 • 16IR 9 UN 9.52 9.0 0.17 16.49 1.2 1.7 1 • 16IL 8 UN 9.52 8.0 0.23 16.49 1.1 1.5 1 • • • 16IR 8 UN 9.52 8.0 0.23 16.49 1.1 1.5 1 • • • • 16IRB 8 UN (1) 9.52 8.0 0.23 16.49 1.1 1.5 1 • 16IRM 8 UN (1) 9.52 8.0 0.20 16.49 1.1 1.5 1 • • • • 22IR 16 UN 3M (2) 12.70 16.0 0.07 22.00 2.5 4.0 3 • 22IR 12 UN 2M (2) 12.70 12.0 0.09 22.00 2.3 3.4 2 • 22IR 12 UN 3M (2) 12.70 12.0 0.13 22.00 3.2 5.2 3 • 22IL 7 UN 12.70 7.0 0.22 22.00 1.6 2.3 1 • 22IR 7 UN 12.70 7.0 0.22 22.00 1.6 2.3 1 • • • 22IR 6 UN 12.70 6.0 0.26 22.00 1.6 2.3 1 • • 22IR 5 UN 12.70 5.0 0.32 22.00 1.6 2.3 1 • • 22UIRL 4.5 UN 12.70 4.5 0.36 22.00 2.4 11.0 1 • 27IR 8 UN 2M (2) 15.88 8.0 0.19 27.50 3.1 4.9 2 • 27IR 4.5 UN 15.88 4.5 0.36 27.50 1.7 2.4 1 • • 27IR 4 UN 15.88 4.0 0.41 27.50 1.8 2.5 1 • • • For Insert Identification System, see pages 638-639 • Tolerance: class 2B,ANSI B1, 3M-1986. • For technical information and detailed cutting data, see pages 711-727 (1) With pressed chipformer (2) Multi-tooth (3) With pressed chipformer. (4) Threads per inch (5) Number of teeth per corner For tools, see pages: AVC-D-SIR/L (707) • MGSIR/L (118) • PICIN-MGSIR/L (386) • SIR/L (703) 663