Page 672 - ISCAR(TURNING-CATALOG-42-2022)

THREADING IR/L-NPT NUT lNSL RE IC Internal left-hand shown
PDX
PDY
Internal NPT
(National Pipe Threads)
Full Profile Laydown
Threading Inserts for Steam,
Gas and Water Pipes

90° 30° 30° 1°47' Dimensions Tough 1 Hard
SCREW
Designation IC TPI (3) RE INSL PDY PDX CICT (4) IC228 IC50M IC250 IC08 IC508 IC808 IC908 IC1007
06IR 27 NPT 4.00 27.0 0.04 6.88 0.6 0.6 1 •
08IR 18 NPT 5.00 18.0 0.06 8.24 0.6 0.8 1 • •
11IL 18 NPT 6.35 18.0 0.06 11.00 0.8 1.0 1 •
11IR 18 NPT 6.35 18.0 0.06 11.00 0.8 1.0 1 • •
11IRB 18 NPT 6.35 18.0 0.06 11.00 0.8 1.0 1 •
11IL 14 NPT 6.35 14.0 0.07 11.00 0.8 1.0 1 •
11IR 14 NPT 6.35 14.0 0.07 11.00 0.8 1.0 1 • • •
16IR 27 NPT 9.52 27.0 0.04 16.49 0.7 0.8 1 •
16IR 18 NPT 9.52 18.0 0.06 16.49 0.8 1.0 1 •
16IRM 14 NPT (1) 9.52 14.0 0.05 16.49 0.9 1.2 1 • • • •
16IRB 14 NPT (1) 9.52 14.0 0.07 16.49 0.9 1.2 1 •
16IL 14 NPT 9.52 14.0 0.07 16.49 0.9 1.2 1 •
16IR 14 NPT 9.52 14.0 0.07 16.49 0.9 1.2 1 • • • •
16IRM 11.5 NPT (1) 9.52 11.5 0.09 16.49 1.1 1.5 1 • • • •
16IRB 11.5 NPT (1) 9.52 11.5 0.09 16.49 1.1 1.5 1 •
16IL 11.5 NPT 9.52 11.5 0.09 16.49 1.1 1.5 1 • •
16IR 11.5 NPT 9.52 11.5 0.09 16.49 1.1 1.5 1 • • •
16IRM 8 NPT (1) 9.52 8.0 0.12 16.49 1.3 1.8 1 • • •
16IRB 8 NPT (1) 9.52 8.0 0.11 16.49 1.2 1.7 1 •
16IL 8 NPT 9.52 8.0 0.11 16.49 1.3 1.8 1 • •
16IR 8 NPT 9.52 8.0 0.11 16.49 1.2 1.7 1 • • •
22IR 11.5 NPT 2M (2) 12.70 11.5 0.09 22.00 2.3 3.5 2 •
27IR 11.5 NPT 3M (2) 15.88 11.5 0.09 27.50 3.3 5.5 3 •
27IR 8 NPT 2M (2) 15.88 8.0 0.12 27.50 3.1 5.0 2 •
• For Insert Identification System, see pages 638-639 • National Pipe Threads ANSI/ASME B1.20.1-1983
• 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: AVC-D-SIR/L (707) • MGSIR/L (118) • PICIN-MGSIR/L (386) • SIR/L (703)

±0.04 24
PENTA 24-NPT
NPT (National Pipe Threads)
Precision Ground Pentagonal
External Full Profile Threading 2.4 4.5
Inserts with a Chipformer 60°
RE

NUT Dimensions
30° 30°

90° 1°47'
SCREW
Designation TPI (1) RE IC908
PENTA 24-18-NPT 18.0 0.07 •
PENTA 24-14-NPT 14.0 0.09 •
(1) Threads per inch
For tools, see pages: PCAD RE/LE-JHP (499) • PCADR/L (316) • PCADR/L-JHP (317) • PCHBR/L (318) • PCHPR/L (316) • PCHR/L-24 (312)
• PCHR/L-24-JHP (313) • PCHR/L-24-JHP-MC (313)

670 ISCAR