MILLING INSERTS S T490 LNHT 05-PNTN HELI-TANG - Tangentially Clamped Inserts for Slotting L APMX and Precision Grooving RE W1 Dimensions Tough 1 Hard IC830 IC808 IC810 Designation W1 L APMX RE S T490 LNHT 0502-PNTN 2.30 5.00 4.60 0.40 5.30 • • • • For cutting speed recommendations, see pages 616-620 For tools, see pages: ETS-T490 (388) • SD-T490 (376) Rd° T490 LNMT/LNHT 0804 S Tangentially Clamped Inserts with 4 Helical Cutting Edges L APMX RE W1 Recommended Dimensions Tough 1 Hard Machining Data ap fz IC5400 IC5100 IC330 IC845 IC830 IC808 IC810 Designation W1 L APMX RE(4) S (mm) (mm/t) T490 LNMT 0804PNR 4.24 8.59 8.00 0.40 7.43 • • • • • • 1.50-5.00 0.10-0.18 T490 LNHT 080404PNR 4.24 8.59 8.00 0.40 7.51 • • • • • 1.50-5.00 0.08-0.15 T490 LNMT 080408PNR 4.24 8.59 8.00 0.80 7.43 • • • 1.50-5.00 0.10-0.18 T490 LNHT 080408PNR 4.24 8.59 8.00 0.80 7.16 • • • • 1.50-5.00 0.08-0.15 T490 LNHT 080412PNR 4.24 8.59 8.00 1.20 7.32 • • • • 1.50-5.00 0.08-0.15 T490 LNMT 080412PNR 4.24 8.59 8.00 1.20 6.87 • 1.50-5.00 0.08-0.18 T490 LNHT 080416PNR 4.24 8.59 8.00 1.60 7.24 • • • • 1.50-5.00 0.08-0.15 T490 LNMT 080416PNR 4.24 8.59 8.00 1.60 7.29 • 1.50-5.00 0.10-0.18 T490 LNMT 0804PNR-CS (1) 4.24 8.59 8.00 0.40 7.43 • • 2.50-7.00 0.10-0.15 T490 LNHT 080404PNR-RD (2) 4.24 8.59 8.00 0.40 7.51 • 1.50-5.00 0.08-0.15 T490 LNMT 080404PNR-RD (2) 4.24 8.59 8.00 0.40 7.51 • 1.50-5.00 0.08-0.15 T490 LNHT080404PNR-PLS (3) 4.24 8.59 8.00 0.40 7.51 • 1.50-5.00 0.08-0.15 • LNMT-utility inserts, LNHT-precision inserts • For cutting speed recommendations, see pages 616-620 (1) Chip splitting cutting edge (2) Used for ramping down applications (3) Positive rake angle for soft and gummy materials (4) Radius obtained on workpiece For tools, see pages: T490 ELN-08 (24) • T490 ELN-M (25) • T490 ELN-MM-08 (25) • T490 FLN-08 (231) • T490 LNM-08 (276) • T490 LNM-M-08 (276) • T490 SM-08 (283) T490 LN... 080404PNR-RD Rampdown Tool Diameter LNHT LNMT 16 2° 1.10° 18 1.85° 0.95° 20 1.70° 0.80° 25 - 0.55° 32 - 0.40° 40 - 0.30° 544 ISCAR