IC228 IC50M IC250 IC08 IC508 IC808 IC908 IC1007 THREADING ER/L-UN (continued) PDX PDXRERE External American UN IC Full Profile (UN, UNC, UNF, UNEF) PDY PDY Laydown Threading Inserts for INSL INSL General Industry IC External right-hand shown NUT Dimensions Tough 1 Hard 60° 1/4 TP 1/8 TP SCREW Designation IC TPI(3) RE INSL PDY PDX CICT(4) 16ERB 11 UN (1) 9.52 11.0 0.29 16.49 1.1 1.5 1 • 16EL 10 UN 9.52 10.0 0.32 16.49 1.1 1.5 1 • • 16ER 10 UN 9.52 10.0 0.32 16.49 1.1 1.5 1 • • • • 16ERB 10 UN (1) 9.52 10.0 0.32 16.49 1.1 1.5 1 • 16ERM 10 UN 9.52 10.0 0.32 16.49 1.1 1.5 1 • 16ER 9 UN 9.52 9.0 0.35 16.49 1.3 1.6 1 • 16ERB 9 UN (1) 9.52 9.0 0.35 16.49 1.3 1.6 1 • 16EL 8 UN 9.52 8.0 0.40 16.49 1.2 1.6 1 • • 16ER 8 UN 9.52 8.0 0.40 16.49 1.2 1.6 1 • • • 16ERB 8 UN (1) 9.52 8.0 0.40 16.49 1.2 1.6 1 • 16ERM 8 UN (1) 9.52 8.0 0.41 16.49 1.2 1.6 1 • • 22ER 12 UN 2M (2) 12.70 12.0 0.27 22.00 2.2 3.4 2 • 22ER 12 UN 3M (2) 12.70 12.0 0.27 22.00 3.2 5.2 3 • • 22ER 7 UN 12.70 7.0 0.47 22.00 1.6 2.3 1 • • 22ER 6 UN 12.70 6.0 0.56 22.00 1.6 2.3 1 • • 22ER 5 UN 12.70 5.0 0.67 22.00 1.7 2.5 1 • • • 27ER 8 UN 2M (2) 15.88 8.0 0.41 27.50 3.1 4.9 2 • 27ER 4.5 UN 15.88 4.5 0.75 27.50 1.9 2.7 1 • 27ER 4 UN 15.88 4.0 0.85 27.50 0.7 0.8 1 • • • • • For Insert Identification System, see pages 638-639 • Tolerance: Class 2A • For threading between walls use GRIP-type insert TIP-UN • For technical information and detailed cutting data, see pages 711-727 (1) With pressed chipformer. (2) Multi-tooth (3) Threads per inch (4) Number of teeth per corner For tools, see pages: C#-SER/L (701) • SER-D (702) • SER/L (700) • SER/L-JHP (701) • SER/L-JHP-MC (702) 661