THREADING IC08 IC808 IC908IC908 24 ±0.04 PENTA 24-UN American UN (UNC, UNF, UNEF) Precision Ground Full Profile Pentagonal External Inserts 2.4 4.5 with a Chipformer 60° RE NUT60°1/4 TP Dimensions 1/8 TP SCREW Designation TPI(1) RE PENTA 24-24-UN 24.0 0.13 • PENTA 24-20-UN 20.0 0.16 • PENTA 24-18-UN 18.0 0.18 • PENTA 24-16-UN 16.0 0.21 • PENTA 24-14-UN 14.0 0.23 • • DMIN(inch)=5.435/TPI • Tolerance: Class 2A (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) ±0.025 17.7 Ref.(a) TIP-P-UN American UN (UNC,UNF,UNEF) Precision Ground External 60° CW Double-Ended Full Profile Threading RE Inserts with a Chipformer NUT60°1/4 TP Dimensions Tough 1  Hard 1/8 TP SCREW Designation CW RE RETOL(1) TPI(2) TIP 2P32-UN 2.40 0.10 0.030 32.0 • • TIP 2P28-UN 2.40 0.11 0.030 28.0 • • TIP 2P24-UN 2.40 0.13 0.030 24.0 • • TIP 2P20-UN 2.40 0.16 0.030 20.0 • • TIP 2P18-UN 2.40 0.18 0.030 18.0 • • TIP 2P16-UN 2.40 0.20 0.030 16.0 • • TIP 2P14-UN 2.40 0.23 0.030 14.0 • • TIP 2P13-UN 2.40 0.25 0.030 13.0 • • TIP 2P12-UN 2.40 0.27 0.030 12.0 • • TIP 4P11-UN 4.00 0.30 0.030 11.0 • TIP 4P10-UN 4.00 0.33 0.050 10.0 • • TIP 4P08-UN 4.00 0.41 0.050 8.0 • • (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 (1) Corner radius tolerance (+/-) (2) Threads per inch For tools, see pages: C#-GHDR/L (274) • CGHN-D (283) • CGHN-DG (283) • CGHN-S (282) • CGPAD (281) • CGPAD-JHP (282) • GHDR/L (short pocket) (275) • GHDR/L-JHP (short pocket) (276) • GHDR/L-JHP-MC (short pocket) (277) • GHGR/L (278) • GHMPR/L (273) • GHMR/L (273) • GHSR/L (373) • GHSR/L-JHP-SL (374) • NQCH-GHSR/L-JHP (374) 664 ISCAR