Rd° D2 EC-B4-R 4 Flute, 45° Helix Extra-Long Solid De8 dh6 Carbide Endmills with Various Haº Corner Radii for Hardened Steel ap r H L HARD MATERIALS Recommended Dimensions Machining Data f z Designation D d r a p H D 2 L Flute H a ° R d ° Shank (1) IC903 (mm/t) EC-B4 10-15C08R.5M130 10.00 8.00 0.50 15.00 19.20 7.50 130.00 4 45.0 5.0 C • 0.03-0.10 EC-B4 10-15C08R1M130 10.00 8.00 1.00 15.00 19.20 7.50 130.00 4 45.0 5.0 C • 0.03-0.10 EC-B4 12-18C10R.5M150 12.00 10.00 0.50 18.00 22.20 9.50 150.00 4 45.0 5.0 C • 0.04-0.11 EC-B4 12-18C10R1M150 12.00 10.00 1.00 18.00 22.20 9.50 150.00 4 45.0 5.0 C • 0.04-0.11 EC-B4 14-21C12R.5M160 14.00 12.00 0.50 21.00 25.20 11.50 160.00 4 45.0 5.0 C • 0.04-0.12 EC-B4 14-21C12R1M160 14.00 12.00 1.00 21.00 25.20 11.50 160.00 4 45.0 5.0 C • 0.04-0.12 EC-B4 18-27C16R0.5M180 18.00 16.00 0.50 27.00 31.20 15.50 180.00 4 45.0 5.0 C • 0.05-0.13 EC-B4 18-27C16R1M180 18.00 16.00 1.00 27.00 31.20 15.50 180.00 4 45.0 5.0 C • 0.05-0.13 EC-B4 22-33C20R.5M200 22.00 20.00 0.50 33.00 37.20 19.50 200.00 4 45.0 5.0 C • 0.05-0.13 EC-B4 22-33C20R1M200 22.00 20.00 1.00 33.00 37.20 19.50 200.00 4 45.0 5.0 C • 0.05-0.13 • For user guide, see pages 147-254 (1) C-Cylindrical Rd° ECH-B-6 6 Flute, 45° Helix Medium Length De8 dh6 Solid Carbide Endmills for Finishing of Hard Materials up to 65 HRc ap Ha L HARD MATERIALS Recommended Dimensions Tough 1 Hard Machining Data f z Designation D d a p L Flute H a ° Shank (1) IC900 IC903 (mm/t) ENDMILLS • SOLID CARBIDE • MULTI-MASTER ECH060B16-6C06 6.00 6.00 16.00 57.00 6 45.0 C • • 0.03-0.07 ECH060B16-6W06 6.00 6.00 16.00 57.00 6 45.0 W • 0.03-0.07 ECH080B20-6C08 8.00 8.00 20.00 63.00 6 45.0 C • • 0.03-0.09 ECH080B20-6W08 8.00 8.00 20.00 63.00 6 45.0 W • 0.03-0.09 ECH100B22-6C10 10.00 10.00 22.00 72.00 6 45.0 C • • 0.03-0.10 ECH100B22-6W10 10.00 10.00 22.00 72.00 6 45.0 W • 0.03-0.10 ECH120B25-6C12 12.00 12.00 25.00 83.00 6 45.0 C • • 0.04-0.11 ECH120B25-6W12 12.00 12.00 25.00 83.00 6 45.0 W • 0.04-0.11 ECH160B32-6C16 16.00 16.00 32.00 92.00 6 45.0 C • • 0.05-0.13 ECH160B32-6W16 16.00 16.00 32.00 92.00 6 45.0 W • 0.05-0.13 ECH200B38-6C20 20.00 20.00 38.00 104.00 6 45.0 C • • 0.05-0.13 ECH200B38-6W20 20.00 20.00 38.00 104.00 6 45.0 W • 0.05-0.13 • Use IC903 for machining hardened steel up to 65 HRc • For user guide, see pages 147-254 (1) C-Cylindrical, W-Weldon 126 ISCAR