THREADING IC228 IC928 IC228IC50M IC50MIC250 IC250IC508 IC808IC808 IC908IC908 IC1007IC1007 Partial Profle 55° (Whitworth) RE PDX PDX RE ER/L-55° External Laydown Threading PDY PDY Inserts with a 55° Partial INSL INSL Profile for General Industry IC IC External right-hand shown NUT Dimensions Tough 1  Hard 55° SCREW Designation IC TPN(2) TPX(3) TPIX(4) TPIN(5) INSL RE PDY PDX 11ER A 55 6.35 0.500 1.500 48.00 16.00 11.00 0.05 0.8 0.9 • • 16EL A 55 9.52 0.500 1.500 48.00 16.00 16.49 0.05 0.8 0.9 • • 16ER A 55 9.52 0.500 1.500 48.00 16.00 16.49 0.05 0.8 0.9 • • • 16EL AG 55 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 • • 16ER AG 55 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 • • • • 16ERB AG 55 (1) 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 • 16ERM AG 55 (1) 9.52 0.500 3.000 48.00 8.00 16.49 0.07 1.2 1.7 • • • • • 16EL G 55 9.52 1.750 3.000 14.00 8.00 16.49 0.20 1.2 1.7 • 16ER G 55 9.52 1.750 3.000 14.00 8.00 16.49 0.23 1.2 1.7 • • 16ERB G 55 (1) 9.52 1.750 3.000 14.00 8.00 16.49 0.23 1.2 1.7 • 16ERM G 55 (1) 9.52 1.750 3.000 14.00 8.00 16.49 0.23 1.2 1.7 • • • • 22EL N 55 12.70 3.500 5.000 7.00 5.00 22.00 0.42 1.7 2.5 • 22ER N 55 12.70 3.500 5.000 7.00 5.00 22.00 0.48 1.7 2.5 • • 22UEIRL U 55 12.70 5.500 8.000 4.50 3.25 22.00 0.60 0.9 11.0 • • 27ER Q 55 15.88 5.500 6.000 4.50 4.00 27.50 0.60 2.0 2.9 • • 27UEIRL U 55 15.88 6.500 9.000 4.00 2.75 27.50 0.81 1.2 13.7 • • For insert identification system, see pages 638-639 • For threading between walls use GRIP-type inserts TIP-WT, GEPI-WT, TIPI-WT • For detailed cutting data, see page 711 (1) With pressed chipformer (2) Threads per inch maximum (3) Threads per inch minimum (4) Threads per inch maximum (5) Threads per inch minimum For tools, see pages: C#-SER/L (701) • SER-D (702) • SER/L (700) IR/L-55° U-Type RE PDX PDY PDXRE Internal Laydown Threading PDY Inserts with a 55° Partial lNSL lNSL Profile for General Industry IC IC Internal left-hand shown NUT Dimensions Tough 1  Hard 55° SCREW Designation IC TPIX(2) TPIN(3) INSL RE PDY PDX 06IL A 55 4.00 48.00 20.00 6.88 0.07 0.6 0.6 • 06IR A 55 4.00 48.00 20.00 6.88 0.08 0.6 0.6 • 08IL A 55 5.00 48.00 16.00 8.24 0.08 0.6 0.7 • 08IR A 55 5.00 48.00 16.00 8.24 0.08 0.6 0.7 • • • 08UIRL U 55 5.00 18.00 12.00 8.24 0.10 0.9 4.0 • 11IL A 55 6.35 48.00 16.00 11.00 0.05 0.8 0.9 • • 11IR A 55 6.35 48.00 16.00 11.00 0.05 0.8 0.9 • • • • 16IR A 55 9.52 48.00 16.00 16.49 0.05 0.8 0.9 • • 16IL AG 55 9.52 48.00 8.00 16.49 0.07 1.2 1.7 • 16IR AG 55 9.52 48.00 8.00 16.49 0.07 1.2 1.7 • • 16IRB AG 55 (1) 9.52 48.00 8.00 16.49 0.07 1.2 1.7 • 16IRM AG 55 (1) 9.52 48.00 8.00 16.49 0.05 1.2 1.7 • • • • 16IL G 55 9.52 14.00 8.00 16.49 0.20 1.2 1.7 • 16IR G 55 9.52 14.00 8.00 16.49 0.23 1.2 1.7 • • • 16IRB G 55 (1) 9.52 14.00 8.00 16.49 0.23 1.2 1.7 • 16IRM G 55 (1) 9.52 14.00 8.00 16.49 0.20 1.2 1.7 • • • • 22IR N 55 12.70 7.00 5.00 22.00 0.42 1.7 2.5 • • • 27IR Q 55 15.88 4.00 4.00 27.50 0.60 2.0 2.9 • • For insert identification system, see pages 638-639 • For threading between walls use GRIP-type inserts TIP-WT, GEPI-WT, TIPI-WT. • For detailed cutting data, see page 711 (1) With pressed chipformer (2) Threads per inch maximum (3) Threads per inch minimum For tools, see pages: AVC-D-SIR/L (707) • MGSIR/L (118) • PICIN-MGSIR/L (386) • SIR/L (703) 640 ISCAR