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Rd°
EC-B4-R DN
4 Flute, 45° Helix Extra-Long Solid DC DCONMS
Carbide Endmills with Various FHA
Corner Radii for Hardened Steel
RE APMX
LH
OAL
HARD MATERIALS
M E T R I C
Recommended
Dimensions
Machining Data

IC903 fz
Designation DC DCONMS RE APMX LH DN OAL NOF (1) FHA RMPX° (2) Shank (3) (mm/t)
EC-B4 10-15C08R.5M130 10.00 8.00 0.50 15.00 19.2 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 22.2 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 25.2 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 25.2 11.50 160.00 4 45.0 5.0 C • 0.04-0.12 ENDMILLS • SOLID CARBIDE • MULTI-MASTER
EC-B4 18-27C16R0.5M180 18.00 16.00 0.50 27.00 31.2 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 37.2 19.50 200.00 4 45.0 5.0 C • 0.05-0.13
• For user guide, see pages 219-228
(1) Number of flutes
(2) Maximum ramping angle
(3) C-Cylindrical

Rd°

ECH-B-6
6 Flute, 45° Helix Medium
Length Solid Carbide DC DCONMS
Endmills for Finishing Hard APMX FHA
Materials up to 65 HRC OAL
HARD MATERIALS
M E T R I C
Dimensions Tough 1 Hard Recommended
Machining Data

IC900 IC903 fz
Designation DC DCONMS APMX OAL NOF (1) FHA Shank (2) (mm/t)
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 219-228
(1) Number of flutes
(2) C-Cylindrical, W-Weldon

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