GROOVE-TURN IC830 IC8250 IC808IC830 IC908IC8250 IC20IC808 IC20NIC908 IC806IC20 IC830IC804 IC8250 GDMU ±0.1 30 Ref. Utility Inserts for Heavy RE 7° 6.4 Grooving on Ductile Materials CW BW Dimensions Tough 1  Hard RecommendedMachining Data f groove Designation CW RE CWTOL(1) RETOL(2) BW (mm/rev) GDMU 808 8.00 0.80 0.05 0.050 6.00 • • 0.10-0.24 • For cutting speed recommendations and user guide, see pages 419-428, 432-436 (1) Cutting width tolerance (+/-) (2) Corner radius tolerance (+/-) For tools, see pages: C#-GHDR/L (274) • CGHN-8-10D (287) • GADR/L-8 (286) • GADR/L-JHP (287) • GAFG-R/L-8 (580) • GHDR/L (long pocket) (285) • GHDR/L-JHP (long pocket) (285) • GHFG-R/L-8 (579) • GHFGR/L-8 (579) • GHIR/L (W=7.0-8.3) (355) ±0.1 GIMY (full radius) Utility Single-Ended Insertsfor Grooving and Profiling 7° 515.3 Ref. CW RE BW Dimensions Tough 1  Hard Recommended Machining Data ap f turn f groove Designation CW RE CWTOL(1) RETOL(2) BW (mm) (mm/rev) (mm/rev) GIMY 315 3.00 1.50 0.05 0.050 2.40 • • • • • • • • 0.00-1.50 0.18-0.26 0.07-0.13 GIMY 420 4.00 2.00 0.05 0.050 3.20 • • • • • • • • 0.00-2.00 0.20-0.28 0.09-0.17 GIMY 525 5.00 2.50 0.05 0.050 3.90 • • • • • • • • 0.00-2.50 0.23-0.42 0.11-0.21 GIMY 630 6.00 3.00 0.05 0.050 5.00 • • • • • • • • 0.00-3.00 0.24-0.50 0.13-0.25 GIMY 635-318 6.35 3.18 0.05 0.050 5.10 • • • • 0.00-3.10 0.25-0.53 0.14-0.27 GIMY 840 8.00 4.00 0.05 0.050 5.60 • • • • • 0.00-4.00 0.32-0.67 0.18-0.34 • DMIN for internal application=70 mm • Can cut arcs to 250° • For cutting speed recommendations and user guide, see pages 419-428, 432-436 (1) Cutting width tolerance (+/-) (2) Corner radius tolerance (+/-) For tools, see pages: Anti-Vibration Blades (284) • C#-GHDR/L (274) • CGFG 51-P8 (580) • CGHN 26-M (356) • CGHN 32-DGM (358) • CGHN 32-M (357) • CGHN-D (283) • CGHN-DG (283) • CGHN-P8 (283) • CGHN-S (282) • CGHR/L-P8DG (284) • 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) GIMY 1260 ±0.1 24 Ref. Utility Single-Ended Inserts forExternal Grooving and Profiling 7° 6.86BW CW RE Dimensions Tough 1  Hard Recommended Machining Data ap f turn f groove Designation CW RE CWTOL(1) RETOL(2) BW (mm) (mm/rev) (mm/rev) GIMY 1260 12.00 6.00 0.05 0.050 9.50 • • • • • 0.00-6.00 0.42-0.86 0.26-0.45 • Toolholder seat needs to be modified according to insert profile to ensure clearance • For cutting speed recommendations and user guide, see pages 419-428, 432-436 (1) Cutting width tolerance (+/-) (2) Corner radius tolerance (+/-) For tools, see pages: CGHR/L-12-14D (333) • GHDR/L/N 12/14 (333) 290 ISCAR