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CHW x 45° Rd°
EFSI-E44
A Combination of Roughing
and Finishing Solid Carbide a1 a2
Endmill with Variable Pitch DC DCONMS
for Chatter Free Milling a2 a1 FHA
APMX
a1≠ a2 OAL
Dimensions Recommended Machining Data

IC900 fz
Designation DC DCONMS APMX OAL CHW KCH NOF (1) FHA RMPX° (2) Shank (3) (inch/t)
EFSI-E44 250-500C250CF2.5 .250 .250 .500 2.500 .010 45.00 4 38.0 5.0 C • .0010-.0020
EFSI-E44 312-625C312CF2.5 .312 .312 .625 2.500 .012 45.00 4 38.0 5.0 C • .0010-.0030
EFSI-E44 375-750C375CF3.0 .375 .375 .750 3.000 .016 45.00 4 38.0 5.0 C • .0010-.0040
EFSI-E44 375-750W375CF3.0 .375 .375 .750 3.000 .016 45.00 4 38.0 5.0 W • .0010-.0040
EFSI-E44 500-1.0C500CF3.0 .500 .500 1.000 3.000 .020 45.00 4 38.0 5.0 C • .0020-.0040 ENDMILLS • SOLID CARBIDE • MULTI-MASTER
EFSI-E44 500-1.0W500CF3.0 .500 .500 1.000 3.000 .020 45.00 4 38.0 5.0 W • .0020-.0040
EFSI-E44 625-125C625CF3.5 .625 .625 1.250 3.500 .024 45.00 4 38.0 5.0 C • .0020-.0040
EFSI-E44 625-125W625CF3.5 .625 .625 1.250 3.500 .024 45.00 4 38.0 5.0 W • .0020-.0040
EFSI-E44 750-150C750CF4.0 .750 .750 1.500 4.000 .024 45.00 4 38.0 5.0 C • .0020-.0040
EFSI-E44 750-150W750CF4.0 .750 .750 1.500 4.000 .024 45.00 4 38.0 5.0 W • .0020-.0040
EFSI-E44 1.0-200C1.0CF5.0 1.000 1.000 2.000 5.000 .024 45.00 4 38.0 5.0 C • .0020-.0040
EFSI-E44 1.0-200W1.0CF5.0 1.000 1.000 2.000 5.000 .024 45.00 4 38.0 5.0 W • .0020-.0040
• Minimum width of cut for semi-finishing operation >= 0.05 x DC • For user guide, see pages 219-228
(1) Number of flutes
(2) Maximum ramping angle
(3) C-Cylindrical, W-Weldon

Rd°

EFSI-B44 RE CHW x 45° C-Cylindrical
A Combination of Roughing
and Finishing Solid Carbide W-Weldon
Endmills in a Single Tool DC DCONMS
SL-Safe-Lock®
APMX FHA
OAL
Recommended
Dimensions
Machining Data

IC900 fz
Designation DC DCONMS APMX NOF (2) OAL FHA Shank (3) CHW KCH RE CSP (4) (inch/t)
EFSI-B44 250-500C250 .250 .250 .500 4 2.500 45.0 C .010 45.00 - 0 • .0010-.0020
EFSI-B44 312-625C312 .312 .312 .625 4 2.500 45.0 C .012 45.00 - 0 • .0010-.0030
EFSI-B44 375-750C375 .375 .375 .750 4 3.000 45.0 C .012 45.00 - 0 • .0010-.0040
EFSI-B44 375-750W375 .375 .375 .750 4 3.000 45.0 W .012 45.00 - 0 • .0010-.0040
EFSI-B44 500-1.0C500 .500 .500 1.000 4 3.000 45.0 C .016 45.00 - 0 • .0020-.0040
EFSI-B44 500-1.0SL500R09 (1) .500 .500 1.000 4 3.000 45.0 SL - - .0900 0 • .0020-.0040
EFSI-B44 500-1.0W500 .500 .500 1.000 4 3.000 45.0 W .016 45.00 - 0 • .0020-.0040
EFSI-B44 625-1.25C625 .625 .625 1.250 4 3.500 45.0 C .024 45.00 - 0 • .0020-.0040
EFSI-B44 625-1.25W625 .625 .625 1.250 4 3.500 45.0 W .024 45.00 - 0 • .0020-.0040
EFSI-B44 750-1.0SL750R09 (1) .750 .750 1.000 4 4.000 45.0 SL - - .0900 0 • .0020-.0040
EFSI-B44 750-1.50C750 .750 .750 1.500 4 4.000 45.0 C .024 45.00 - 0 • .0020-.0040
EFSI-B44 750-1.50W750 .750 .750 1.500 4 4.000 45.0 W .024 45.00 - 0 • .0020-.0040
EFSI-B44 1.0-2.00C1.0 1.000 1.000 2.000 4 5.000 45.0 C .024 45.00 - 0 • .0020-.0040
EFSI-B44 1.0-2.00W1.0 1.000 1.000 2.000 4 5.000 45.0 W .024 45.00 - 0 • .0020-.0040
• Minimum width of cut for semi-finishing operation >= 0.05 x DC • IC300 should be mainly used for machining exotic materials
• For user guide, see pages 219-228
(1) With Safe-Lock® (by Haimer) pull-out prevention helical grooves
(2) Number of flutes
(3) C-Cylindrical, W-Weldon, SL-Safe-Lock® (by Haimer)
(4) 0 - Without coolant supply, 1 - With coolant supply

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