United States of America Europe
Loading
LOADING IMAGES
product photo product drawing

End Mills / 278N

Solid Carbide TuffCut® XT 5 Flute End Mill
Designed specifically for specific applications in steels, stainless steels, special alloys, and cast irons.
  • 5 Flute
  • Neck relief
  • ALtima® Blaze coating, B=ALtima® Blaze (ALCrN) coated
  • Center cutting
  • Long and extra long flute lengths
  • 40° Helix angle
  • Corner radius options
  • Weldon shank flat options
  • Enhanced corner protection
  • Whisper blend transition between OD and Neck

Materials

  • Steel
  • Stainless steel
  • Cast iron
  • Super-alloys and titanium

Applications

  • High Efficiency Milling
  • Slotting
  • Traditional Roughing
  • Finishing

Series Attributes

Downloads

Product Range

Tool No. EDP Diameter (DC) Shank Diameter (DCONMS) Overall Length (OAL) Flute Length (APMX) Neck Length (LU) Corner Radius (RE) Coating Shank Type
.1181 278 0300N3-0.25RB 27820 3mm 6mm 57mm 8mm 10mm 0.25mm ALtima® Blaze Straight
.1181 278 0300N3-0.5RB 27822 3mm 6mm 57mm 8mm 10mm 0.5mm ALtima® Blaze Straight
.1250 27812530N1.250B 20189 1/8 4/8 2-1/2 3/4 1.250 ALtima® Blaze Straight
.1250 27812534N1.250B 20191 1/8 1/8 2-1/2 3/4 1.250 0.03 ALtima® Blaze Straight
.1575 278 0400N3-0.25RB 27824 4mm 6mm 57mm 11mm 13mm 0.25mm ALtima® Blaze Straight
.1575 278 0400N3-0.5RB 27826 4mm 6mm 57mm 11mm 13mm 0.5mm ALtima® Blaze Straight
.1968 278 0500N3-0.25RB 27828 5mm 6mm 57mm 13mm 16mm 0.25mm ALtima® Blaze Straight
.1968 278 0500N3-0.5RB 27830 5mm 6mm 57mm 13mm 16mm 0.5mm ALtima® Blaze Straight
.2362 278 0600N3-0.25RB 27832 6mm 6mm 57mm 13mm 19mm 0.25mm ALtima® Blaze Straight
.2362 278 0600N3-0.5RB 27834 6mm 6mm 57mm 13mm 19mm 0.5mm ALtima® Blaze Straight
.2362 278 0600N3-1.0RB 27836 6mm 6mm 57mm 13mm 19mm 1mm ALtima® Blaze Straight
.2362 278 0600N3-0.5RBW 20711 6mm 6mm 57mm 13mm 19mm 0.5mm ALtima® Blaze Weldon
.2500 27825022NB 37011 1/4 1/4 4 3/4 2-1/8 0.015 ALtima® Blaze Straight
.2500 27825024NB 37012 1/4 1/4 4 3/4 2-1/8 0.03 ALtima® Blaze Straight
.3150 278 0800N3-0.25RB 27837 8mm 8mm 63mm 19mm 25mm 0.25mm ALtima® Blaze Straight
.3150 278 0800N3-0.5RB 27838 8mm 8mm 63mm 19mm 25mm 0.5mm ALtima® Blaze Straight
.3150 278 0800N3-1.0RB 27840 8mm 8mm 63mm 19mm 25mm 1mm ALtima® Blaze Straight
.3150 278 0800N3-2.0RB 27842 8mm 8mm 63mm 19mm 25mm 2mm ALtima® Blaze Straight
.3150 278 0800N3-1.5RB 20132 8mm 8mm 63mm 19mm 25mm 1.5mm ALtima® Blaze Straight
.3150 278 0800N3-0.5RBW 20257 8mm 8mm 63mm 19mm 25mm 0.5mm ALtima® Blaze Weldon
.3150 278 0800N3-1.0RBW 20713 8mm 8mm 63mm 19mm 25mm 1mm ALtima® Blaze Weldon
.3750 27837522NB 37023 3/8 3/8 4 1 2-1/8 0.015 ALtima® Blaze Straight
.3750 27837524NB 37024 3/8 3/8 4 1 2-1/8 0.03 ALtima® Blaze Straight
.3750 27837522NBW 14833 3/8 3/8 4 1 2-1/8 0.015 ALtima® Blaze Weldon
.3750 27837504N1.250B 19834 3/8 3/8 2-1/2 1/2 1-1/4 0.03 ALtima® Blaze Straight
.3937 278 1000N3-0.5RB 27844 10mm 10mm 72mm 22mm 31mm 0.5mm ALtima® Blaze Straight
.3937 278 1000N3-1.0RB 27846 10mm 10mm 72mm 22mm 31mm 1mm ALtima® Blaze Straight
.3937 278 1000N3-2.0RB 27848 10mm 10mm 72mm 22mm 31mm 2mm ALtima® Blaze Straight
.3937 278 1000N3-0.5RBW 20671 10mm 10mm 72mm 22mm 31mm 0.5mm ALtima® Blaze Weldon
.3937 278 1000N3-1.0RBW 20714 10mm 10mm 72mm 22mm 31mm 1mm ALtima® Blaze Weldon
.4724 278 1200N3-0.5RB 27850 12mm 12mm 84mm 26mm 38mm 0.5mm ALtima® Blaze Straight
.4724 278 1200N3-1.0RB 27852 12mm 12mm 84mm 26mm 38mm 1mm ALtima® Blaze Straight
.4724 278 1200N3-1.5RB 27854 12mm 12mm 84mm 26mm 38mm 1.5mm ALtima® Blaze Straight
.4724 278 1200N3-2.5RB 27856 12mm 12mm 84mm 26mm 38mm 2.5mm ALtima® Blaze Straight
.4724 278 1200N3-3.0RB 27858 12mm 12mm 84mm 26mm 38mm 3mm ALtima® Blaze Straight
.4724 278 1200N3-4.0RB 27860 12mm 12mm 84mm 26mm 38mm 4mm ALtima® Blaze Straight
.4724 278 1200N3-1.0RBW 77947 12mm 12mm 84mm 26mm 38mm 1mm ALtima® Blaze Weldon
.5000 27850022NB 37037 1/2 1/2 4 1-1/4 2-1/8 0.015 ALtima® Blaze Straight
.5000 27850024NB 37038 1/2 1/2 4 1-1/4 2-1/8 0.03 ALtima® Blaze Straight
.5000 27850022NBW 14834 1/2 1/2 4 1-1/4 2-1/8 0.015 ALtima® Blaze Weldon
.5000 27850024NBW 18267 1/2 1/2 4 1-1/4 2-1/8 0.03 ALtima® Blaze Weldon
.6250 27862522NB 37050 5/8 5/8 4 1-1/2 2-1/8 0.015 ALtima® Blaze Straight
.6250 27862524NB 37051 5/8 5/8 4 1-1/2 2-1/8 0.03 ALtima® Blaze Straight
.6250 27862524NBW 14693 5/8 5/8 4 1-1/2 2-1/8 0.03 ALtima® Blaze Weldon
.6299 278 1600N3-0.5RB 27870 16mm 16mm 100mm 35mm 50mm 0.5mm ALtima® Blaze Straight
.6299 278 1600N3-1.0RB 27872 16mm 16mm 100mm 35mm 50mm 1mm ALtima® Blaze Straight
.6299 278 1600N3-1.5RB 27874 16mm 16mm 100mm 35mm 50mm 1.5mm ALtima® Blaze Straight
.6299 278 1600N3-2.5RB 27876 16mm 16mm 100mm 35mm 50mm 2.5mm ALtima® Blaze Straight
.6299 278 1600N3-3.0RB 27878 16mm 16mm 100mm 35mm 50mm 3mm ALtima® Blaze Straight
.6299 278 1600N3-4.0RB 27880 16mm 16mm 100mm 35mm 50mm 4mm ALtima® Blaze Straight
.6299 278 1600N4-1.0RB 27871 16mm 16mm 117mm 35mm 65mm 1mm ALtima® Blaze Straight
.6299 278 1600N4-3.0RB 27873 16mm 16mm 117mm 35mm 65mm 3mm ALtima® Blaze Straight
.6299 278 1600N5-1.0RB 27875 16mm 16mm 133mm 35mm 82mm 1mm ALtima® Blaze Straight
.6299 278 1600N5-3.0RB 27877 16mm 16mm 133mm 35mm 82mm 3mm ALtima® Blaze Straight
.6299 278 1600N3-1.0RBW 77948 16mm 16mm 100mm 35mm 50mm 1mm ALtima® Blaze Weldon
.6299 278 1600N4-1.0RBW 77949 16mm 16mm 117mm 35mm 65mm 1mm ALtima® Blaze Weldon
.6299 278 1600N3-0.5RBW 19844 16mm 16mm 100mm 35mm 50mm 0.5mm ALtima® Blaze Weldon
.6299 278 1600N3-3.0RBW 19845 16mm 16mm 100mm 35mm 50mm 3mm ALtima® Blaze Weldon
.6299 278 1600N3-4.0RBW 20705 16mm 16mm 100mm 35mm 50mm 4mm ALtima® Blaze Weldon
.6299 278 1600N3-2.0RB 20900 16mm 16mm 100mm 35mm 50mm 2mm ALtima® Blaze Straight
.7500 27875022NB 37063 3/4 3/4 5 1-7/8 3 0.015 ALtima® Blaze Straight
.7500 27875024NB 37064 3/4 3/4 5 1-7/8 3 0.03 ALtima® Blaze Straight
.7500 27875024NBW 19430 3/4 3/4 5 1-7/8 3 0.03 ALtima® Blaze Weldon
.7874 278 2000N3-1.0RB 27890 20mm 20mm 112mm 40mm 62mm 1mm ALtima® Blaze Straight
.7874 278 2000N3-3.0RB 27892 20mm 20mm 112mm 40mm 62mm 3mm ALtima® Blaze Straight
.7874 278 2000N3-4.0RB 27894 20mm 20mm 112mm 40mm 62mm 4mm ALtima® Blaze Straight
.7874 278 2000N4-1.0RB 27891 20mm 20mm 133mm 40mm 82mm 1mm ALtima® Blaze Straight
.7874 278 2000N4-3.0RB 27893 20mm 20mm 133mm 40mm 82mm 3mm ALtima® Blaze Straight
.7874 278 2000N5-1.0RB 27895 20mm 20mm 152mm 40mm 102mm 1mm ALtima® Blaze Straight
.7874 278 2000N5-3.0RB 27897 20mm 20mm 152mm 40mm 102mm 3mm ALtima® Blaze Straight
.7874 278 2000N3-2.0RB 27906 20mm 20mm 112mm 40mm 62mm 2mm ALtima® Blaze Straight
.7874 278 2000N3-2.0RBW 77950 20mm 20mm 112mm 40mm 62mm 2mm ALtima® Blaze Weldon
.9843 278 2500N3-1.0RB 27896 25mm 25mm 127mm 40mm 77mm 1mm ALtima® Blaze Straight
.9843 278 2500N3-3.0RB 27898 25mm 25mm 127mm 40mm 77mm 3mm ALtima® Blaze Straight
.9843 278 2500N3-4.0RB 27900 25mm 25mm 127mm 40mm 77mm 4mm ALtima® Blaze Straight
.9843 278 2500N4-1.0RB 27899 25mm 25mm 152mm 40mm 102mm 1mm ALtima® Blaze Straight
.9843 278 2500N4-3.0RB 27901 25mm 25mm 152mm 40mm 102mm 3mm ALtima® Blaze Straight
.9843 278 2500N5-1.0RB 27902 25mm 25mm 180mm 40mm 125mm 1mm ALtima® Blaze Straight
.9843 278 2500N5-3.0RB 27903 25mm 25mm 180mm 40mm 125mm 3mm ALtima® Blaze Straight