GradeInsertExt. ToolholderInt. ToolholderThreadingGroovingEndmillDrilling ToolTechnical Reference I M P O R TA N T - Replacement of shim AH725 1 Insert AH 725 insert has 2 types of shims according to the chipbreaker Conventional geometry. Please find an appropriate shim in the table below. When shim using a wrong shim, the insert seating may become unstable or the tool Toolholder life may be shortened. Interchangeable shim (Insert size: 16) Inappropriateexample 2 Toolholderscrew type ExternalLead angle1Conventional shim1Standard (New) Internal2Conventional shim2Standard (New) 4° GXE16-4DT AE16-4DT GXN16-4DT AN16-4DT 3° GXE16-3DT AE16-3DT GXN16-3DT AN16-3DT Dual clamping 2° GXE16-2DT AE16-2DT GXN16-2DT AN16-2DTmethods ofscrew-on and1°(Standard)GX16-1DTA16-1DTGX16-1DTA16-1DTclamp-on0°GXE16-0DTAE16-0DTGXN16-0DTAN16-0DT3 -1° GXE16-99DT AE16-99DT GXN16-99DT AN16-99DT -2° GXE16-98DT AE16-98DT GXN16-98DT AN16-98DT 4° GXE16-4 AE16-4 GXN16-4 AN16-4 3° GXE16-3 AE16-3 GXN16-3 AN16-3 2° GXE16-2 AE16-2 GXN16-2 AN16-2 Clamp-on 1° (Standard) GXE16-1 A16-1 GXN16-1 A16-10°GXE16-0AE16-0GXN16-0AN16-0-1°GXE16-99AE16-99GXN16-99AN16-994 -2° GXE16-98 AE16-98 GXN16-98 AN16-98 Shim to be replaced (Insert size: 16) External Internal Thread ISO Designation Grade Replacement Designation Grade Replacement16IR15ISO-BAH72516IR175ISO-BAH7255 16IR20ISO-B AH725 16ERAG55-B AH725 16IRAG55-B AH725 55° 16IRG55-B AH725 16ERA60-B AH725 16IRAG60-B AH725 60° 1 Conventional 16IRA60-B AH725 2 Conventional UN shim 16IRG60-B16IR18UN-B1Standard(New)16IR16UN-B16IR14UN-BshimAH725AH725AH725AH7252Standard(New)6 16IR16W-B AH725 W 16IR14W-B AH725 PT 16IR14PT-B AH725 16ER8NPT-B AH725 16IR14NPT-B AH725 NPT 16IR115NPT-B AH725 7 8 9 Reference pages: 5-7 - 5-14 5-27