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RE
ENDMILLS • SOLID CARBIDE • MULTI-MASTER

ECAI-H4R-CF Rd°

Solid Carbide Endmills with DC DCONMS
Different Helix 3, 4 and 5xD Neck
Relief for Machining Aluminum APMX LU
OAL ALUMINUM

Dimensions Recommended
Machining Data

fz
Designation DC APMX LU OAL DCONMS RE NOF (1) Shank (2) RMPX° (3) IC08 (inch/t)
ECAI-H4R 250-375/1.2C01CF .250 .375 1.200 2.500 .250 .0100 4 C 5.0 • .0012-.0035
ECAI-H4R 250-500/750C01CF .250 .500 .750 2.500 .250 .0100 4 C 5.0 • .0012-.0035
ECAI-H4R 312-470/1.6C01CF .312 .470 1.600 2.500 .312 .0100 4 C 5.0 • .0016-.0039
ECAI-H4R 312-625/0.9C01CF .312 .625 .900 2.500 .312 .0100 4 C 5.0 • .0016-.0039
ECAI-H4R 375-562/1.8C01CF .375 .562 1.800 3.000 .375 .0100 4 C 5.0 • .0016-.0043
ECAI-H4R 375-750/1.1C01CF .375 .750 1.100 2.500 .375 .0100 4 C 5.0 • .0016-.0043
ECAI-H4R 500-750/2.5C01CF .500 .750 2.500 4.500 .500 .0100 4 C 5.0 • .0020-.0051
ECAI-H4R 500-1.0/1.5C01CF .500 1.000 1.500 3.000 .500 .0100 4 C 5.0 • .0020-.0051
ECAI-H4R 625-937/3.1C01CF .625 .937 3.100 5.000 .625 .0100 4 C 5.0 • .0020-.0055
ECAI-H4R 625-1.2/1.8C01CF .625 1.250 1.800 3.500 .625 .0100 4 C 5.0 • .0020-.0055
ECAI-H4R 750-1.2/3.7C01CF .750 1.200 3.700 6.000 .750 .0100 4 C 5.0 • .0031-.0055
ECAI-H4R 750-1.5/2.2C01CF .750 1.500 2.200 5.000 .750 .0100 4 C 5.0 • .0031-.0055
ECAI-H4R 1.0-1.5/5.0C01CF 1.000 1.500 5.000 7.200 1.000 .0100 4 C 5.0 • .0031-.0055
ECAI-H4R 1.0-2.0/3.0C01CF 1.000 2.000 3.000 5.000 1.000 .0100 4 C 5.0 • .0031-.0055
(1) Number of flutes
(2) C-Cylindrical
(3) Maximum ramping angle

ECRI-B3 RE
3 Flute 45° Helix Solid Carbide Rd°
Roughing Endmills with 3xD DC DCONMS
Relieved Necks, for High Stock APMX FHA
Removal Rates of Aluminum LU OAL
ALUMINUM

Dimensions Recommended Machining Data

fz
Designation DC DCONMS APMX LU NOF (1) RE OAL FHA Shank (2) RMPX° (3) IC08 (inch/t)
ECRI-B3 250-375/.87C250 .250 .250 .375 .870 3 .0080 2.500 45.0 C 5.0 • .0010-.0030
ECRI-B3 312-500/1.12C312 .312 .312 .500 1.120 3 .0080 2.500 45.0 C 5.0 • .0010-.0040
ECRI-B3 375-500/1.25C375 .375 .375 .500 1.250 3 .0080 3.000 45.0 C 5.0 • .0010-.0040
ECRI-B3 500-500/1.50C500 .500 .500 .500 1.500 3 .0080 3.500 45.0 C 5.0 • .0020-.0040
ECRI-B3 625-562/1.69C625 .625 .625 .562 1.690 3 .0080 3.500 45.0 C 5.0 • .0020-.0050
ECRI-B3 750-625/2.00C750 .750 .750 .625 2.000 3 .0080 4.000 45.0 C 5.0 • .0020-.0050
• For user guide, see pages 219-228
(1) Number of flutes
(2) C-Cylindrical
(3) Maximum ramping angle

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