Insert size TPI Hand of cut INSERT Full-profile insert with chipbreaker External insert Internal insert Grade Grade Pitch Designation Coated Cermet IC PDX PDY RE Designation Coated Cermet IC PDX PDY RE AH725 NS9530 AH725 NS9530 16 24 R 16ER24UN-B 䖃* 9.525 0.8 0.7 0.11 16 24 R 16ER24UN-M 䖃 9.525 0.9 0.7 0.13 16 20 R 16ER20UN-B 䖃* 9.525 0.9 0.8 0.14 16IR20UN-B 䖃* 9.525 0.9 0.8 0.06 Thread 16 20 R 16ER20UN-M 䖃 9.525 0.9 0.7 0.16 16IR20UN-M 䖃 9.525 0.9 0.7 0.09 form 16 18 R 16ER18UN-B 䖃* 9.525 1 0.8 0.15 16IR18UN-B 䖃* 9.525 1 0.8 0.08 60º 16 18 R 16ER18UN-M 䖃 9.525 0.9 0.7 0.18 16IR18UN-M 䖃 9.525 0.9 0.7 0.1 M 16 16 R 16ER16UN-B(Metric)1616R16ER16UN-M䖃* 9.525 1.1 0.9 0.19 16IR16UN-B䖃9.5250.90.70.216IR16UN-M䖃* 9.525 1.1 0.9 0.09䖃9.5250.90.70.11 16 14 R 16ER14UN-B 䖃* 9.525 1.2 1 0.22 16IR14UN-B 䖃* 9.525 1.2 0.9 0.11 55º 16 14 R 16ER14UN-M 䖃 9.525 1.6 1.2 0.23 16IR14UN-M 䖃 9.525 1.6 1.2 0.13 UN(Unified) 1616 13 R 16ER13UN-B12R16ER12UN-B䖃*䖃* 9.525 1.3 1 0.249.5251.41.10.2516IR12UN-B䖃* 9.525 1.4 1.1 0.12 W(Whitworth) 1616 12 R 16ER12UN-M8R16ER8UN-B 䖃* 䖃 9.525 1.6 1.2 0.27 16IR12UN-M9.5251.61.20.4116IR8UN-B䖃 9.525 1.6 1.2 0.15䖃*9.5251.51.10.19 BSPT 16 8 R 16ER8UN-M 䖃 9.525 1.6 1.2 0.4 16IR8UN-M 䖃 9.525 1.6 1.2 0.22 (R, PT) The adjustment of the cutting edge position w i l l be needed as the dimensions of PDX and PDYare different from other inserts. highlighted item requires changing shims. When using a new AH725 with chipbreaker, the conventional shim may need to be replaced with a new standard shim. Please refer to the page 5-27. AH725Insert Conventional shim Toolholder Inappropriate example Reference pages: Toolholders → 5-20 - 5-24, Standard cutting conditions → 5-25 䖃 : Line up / 5 pieces per package 5-12