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End Mills / 277N

Solid Carbide TuffCut® XT 4 Flute End Mill Necked Relief
Designed specifically for specific applications in steels, stainless steels, special alloys, and cast irons.
  • 4 Flute
  • ALtima® Blaze coating. B=ALtima® Blaze (ALCrN) coated
  • Center cutting
  • Stub flute lengths
  • 38°/41° Variable helix angle
  • Square end and corner radius options.
  • Enhanced corner protection
  • Neck relief
  • 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
.1250 27712500N3B 27720 1/8 1/8 3 3/16 3/8 ALtima® Blaze Straight
.1250 27712500N5B 27722 1/8 1/8 3 3/16 5/8 ALtima® Blaze Straight
.1250 27712502N3B 27721 1/8 1/8 3 3/16 3/8 0.015 ALtima® Blaze Straight
.1250 27712502N5B 27723 1/8 1/8 3 3/16 5/8 0.015 ALtima® Blaze Straight
.1250 27712511N0.550B 20236 1/8 1/8 1-1/2 3/8 .5500 0.01 ALtima® Blaze Straight
.1875 27718700N3B 27724 3/16 3/16 3 1/4 9/16 ALtima® Blaze Straight
.1875 27718700N5B 27727 3/16 3/16 3 1/4 15/16 ALtima® Blaze Straight
.1875 27718702N3B 27725 3/16 3/16 3 1/4 9/16 0.015 ALtima® Blaze Straight
.1875 27718702N5B 27728 3/16 3/16 3 1/4 15/16 0.015 ALtima® Blaze Straight
.1875 27718704N3B 27726 3/16 3/16 3 1/4 9/16 0.03 ALtima® Blaze Straight
.1875 27718704N5B 27729 3/16 3/16 3 1/4 15/16 0.03 ALtima® Blaze Straight
.2500 27725000N3B 27730 1/4 1/4 3 3/8 3/4 ALtima® Blaze Straight
.2500 27725000N5B 27734 1/4 1/4 4 3/8 1-1/4 ALtima® Blaze Straight
.2500 27725002N3B 27731 1/4 1/4 3 3/8 3/4 0.015 ALtima® Blaze Straight
.2500 27725002N5B 27735 1/4 1/4 4 3/8 1-1/4 0.015 ALtima® Blaze Straight
.2500 27725004N3B 27732 1/4 1/4 3 3/8 3/4 0.03 ALtima® Blaze Straight
.2500 27725004N5B 27736 1/4 1/4 4 3/8 1-1/4 0.03 ALtima® Blaze Straight
.2500 27725006N3B 27733 1/4 1/4 3 3/8 3/4 0.06 ALtima® Blaze Straight
.2500 27725006N5B 27737 1/4 1/4 4 3/8 1-1/4 0.06 ALtima® Blaze Straight
.2500 27725006N2.200B 19415 1/4 1/4 4 3/8 2.2000 0.06 ALtima® Blaze Straight
.3125 27731200N3B 27738 5/16 5/16 3 7/16 15/16 ALtima® Blaze Straight
.3125 27731202N3B 27739 5/16 5/16 3 7/16 15/16 0.015 ALtima® Blaze Straight
.3125 27731204N3B 27740 5/16 5/16 3 7/16 15/16 0.03 ALtima® Blaze Straight
.3750 27737500N3B 27741 3/8 3/8 3 1/2 1-1/8 ALtima® Blaze Straight
.3750 27737500N4B 27745 3/8 3/8 4 1/2 1-1/2 ALtima® Blaze Straight
.3750 27737500N5B 27749 3/8 3/8 4 1/2 1-7/8 ALtima® Blaze Straight
.3750 27737502N3B 27742 3/8 3/8 3 1/2 1-1/8 0.015 ALtima® Blaze Straight
.3750 27737502N4B 27746 3/8 3/8 4 1/2 1-1/2 0.015 ALtima® Blaze Straight
.3750 27737502N5B 27750 3/8 3/8 4 1/2 1-7/8 0.015 ALtima® Blaze Straight
.3750 27737504N3B 27743 3/8 3/8 3 1/2 1-1/8 0.03 ALtima® Blaze Straight
.3750 27737504N4B 27747 3/8 3/8 4 1/2 1-1/2 0.03 ALtima® Blaze Straight
.3750 27737504N5B 27751 3/8 3/8 4 1/2 1-7/8 0.03 ALtima® Blaze Straight
.3750 27737506N3B 27744 3/8 3/8 3 1/2 1-1/8 0.06 ALtima® Blaze Straight
.3750 27737506N4B 27748 3/8 3/8 4 1/2 1-1/2 0.06 ALtima® Blaze Straight
.3750 27737506N5B 27752 3/8 3/8 4 1/2 1-7/8 0.06 ALtima® Blaze Straight
.3750 27737504N5BW 15272 3/8 3/8 4 1/2 1-7/8 0.03 ALtima® Blaze Weldon
.5000 27750000N3B 27753 1/2 1/2 4 5/8 1-1/2 ALtima® Blaze Straight
.5000 27750000N4B 27759 1/2 1/2 5 5/8 2 ALtima® Blaze Straight
.5000 27750002N3B 27754 1/2 1/2 4 5/8 1-1/2 0.015 ALtima® Blaze Straight
.5000 27750002N4B 27760 1/2 1/2 5 5/8 2 0.015 ALtima® Blaze Straight
.5000 27750004N3B 27755 1/2 1/2 4 5/8 1-1/2 0.03 ALtima® Blaze Straight
.5000 27750004N4B 27761 1/2 1/2 5 5/8 2 0.03 ALtima® Blaze Straight
.5000 27750006N3B 27756 1/2 1/2 4 5/8 1-1/2 0.06 ALtima® Blaze Straight
.5000 27750006N4B 27762 1/2 1/2 5 5/8 2 0.06 ALtima® Blaze Straight
.5000 27750007N3B 27757 1/2 1/2 4 5/8 1-1/2 0.09 ALtima® Blaze Straight
.5000 27750007N4B 27763 1/2 1/2 5 5/8 2 0.09 ALtima® Blaze Straight
.5000 27750008N3B 27758 1/2 1/2 4 5/8 1-1/2 0.12 ALtima® Blaze Straight
.5000 27750008N4B 27764 1/2 1/2 5 5/8 2 0.12 ALtima® Blaze Straight
.5000 27750000N5B 27765 1/2 1/2 6 5/8 2-1/2 ALtima® Blaze Straight
.5000 27750002N5B 27766 1/2 1/2 6 5/8 2-1/2 0.015 ALtima® Blaze Straight
.5000 27750004N5B 27767 1/2 1/2 6 5/8 2-1/2 0.03 ALtima® Blaze Straight
.5000 27750006N5B 27768 1/2 1/2 6 5/8 2-1/2 0.06 ALtima® Blaze Straight
.5000 27750007N5B 27769 1/2 1/2 6 5/8 2-1/2 0.09 ALtima® Blaze Straight
.5000 27750008N5B 27770 1/2 1/2 6 5/8 2-1/2 0.12 ALtima® Blaze Straight
.5000 27750004N3BW 15273 1/2 1/2 4 5/8 1-1/2 0.03 ALtima® Blaze Weldon
.5000 27750004N4BW 15285 1/2 1/2 5 5/8 2 0.03 ALtima® Blaze Weldon
.5000 27750002N3BW 19627 1/2 1/2 4 5/8 1-1/2 0.015 ALtima® Blaze Weldon
.6250 27762506N4B 27778 5/8 5/8 5 3/4 2-1/2 0.06 ALtima® Blaze Straight
.6250 27762500N3B 27771 5/8 5/8 5 3/4 1-7/8 ALtima® Blaze Straight
.6250 27762500N4B 27776 5/8 5/8 5 3/4 2-1/2 ALtima® Blaze Straight
.6250 27762504N3B 27772 5/8 5/8 5 3/4 1-7/8 0.03 ALtima® Blaze Straight
.6250 27762506N3B 27773 5/8 5/8 5 3/4 1-7/8 0.06 ALtima® Blaze Straight
.6250 27762507N3B 27774 5/8 5/8 5 3/4 1-7/8 0.09 ALtima® Blaze Straight
.6250 27762508N3B 27775 5/8 5/8 5 3/4 1-7/8 0.12 ALtima® Blaze Straight
.6250 27762500N5B 27781 5/8 5/8 6 3/4 3-1/8 ALtima® Blaze Straight
.6250 27762504N4B 27777 5/8 5/8 5 3/4 2-1/2 0.03 ALtima® Blaze Straight
.6250 27762504N5B 27782 5/8 5/8 6 3/4 3-1/8 0.03 ALtima® Blaze Straight
.6250 27762506N5B 27783 5/8 5/8 6 3/4 3-1/8 0.06 ALtima® Blaze Straight
.6250 27762507N4B 27779 5/8 5/8 5 3/4 2-1/2 0.09 ALtima® Blaze Straight
.6250 27762507N5B 27784 5/8 5/8 6 3/4 3-1/8 0.09 ALtima® Blaze Straight
.6250 27762508N4B 27780 5/8 5/8 5 3/4 2-1/2 0.12 ALtima® Blaze Straight
.6250 27762508N5B 27785 5/8 5/8 6 3/4 3-1/8 0.12 ALtima® Blaze Straight
.7500 27775004N4B 27794 3/4 3/4 6 1 3 0.03 ALtima® Blaze Straight
.7500 27775008N4B 27797 3/4 3/4 6 1 3 0.12 ALtima® Blaze Straight
.7500 27775000N3B 27786 3/4 3/4 5 1 2-1/4 ALtima® Blaze Straight
.7500 27775000N4B 27793 3/4 3/4 6 1 3 ALtima® Blaze Straight
.7500 27775000N5B 27800 3/4 3/4 6 1 3-3/4 ALtima® Blaze Straight
.7500 27775004N3B 27787 3/4 3/4 5 1 2-1/4 0.03 ALtima® Blaze Straight
.7500 27775004N5B 27801 3/4 3/4 6 1 3-3/4 0.03 ALtima® Blaze Straight
.7500 27775006N3B 27788 3/4 3/4 5 1 2-1/4 0.06 ALtima® Blaze Straight
.7500 27775006N4B 27795 3/4 3/4 6 1 3 0.06 ALtima® Blaze Straight
.7500 27775006N5B 27802 3/4 3/4 6 1 3-3/4 0.06 ALtima® Blaze Straight
.7500 27775007N3B 27789 3/4 3/4 5 1 2-1/4 0.09 ALtima® Blaze Straight
.7500 27775007N4B 27796 3/4 3/4 6 1 3 0.09 ALtima® Blaze Straight
.7500 27775007N5B 27803 3/4 3/4 6 1 3-3/4 0.09 ALtima® Blaze Straight
.7500 27775008N3B 27790 3/4 3/4 5 1 2-1/4 0.12 ALtima® Blaze Straight
.7500 27775008N5B 27804 3/4 3/4 6 1 3-3/4 0.12 ALtima® Blaze Straight
.7500 27775009N3B 27791 3/4 3/4 5 1 2-1/4 0.19 ALtima® Blaze Straight
.7500 27775009N4B 27798 3/4 3/4 6 1 3 0.19 ALtima® Blaze Straight
.7500 27775009N5B 27805 3/4 3/4 6 1 3-3/4 0.19 ALtima® Blaze Straight
.7500 27775012N3B 27792 3/4 3/4 5 1 2-1/4 0.25 ALtima® Blaze Straight
.7500 27775012N4B 27799 3/4 3/4 6 1 3 0.25 ALtima® Blaze Straight
.7500 27775012N5B 27806 3/4 3/4 6 1 3-3/4 0.25 ALtima® Blaze Straight
1.0000 27710004N5B 27825 1 1 7 1-1/4 5 0.03 ALtima® Blaze Straight
1.0000 27710000N3B 27807 1 1 6 1-1/4 3 ALtima® Blaze Straight
1.0000 27710004N3B 27808 1 1 6 1-1/4 3 0.03 ALtima® Blaze Straight
1.0000 27710006N3B 27809 1 1 6 1-1/4 3 0.06 ALtima® Blaze Straight
1.0000 27710007N3B 27810 1 1 6 1-1/4 3 0.09 ALtima® Blaze Straight
1.0000 27710008N3B 27811 1 1 6 1-1/4 3 0.12 ALtima® Blaze Straight
1.0000 27710000N4B 27814 1 1 6 1-1/4 4 ALtima® Blaze Straight
1.0000 27710000N5B 27823 1 1 7 1-1/4 5 ALtima® Blaze Straight
1.0000 27710004N4B 27815 1 1 6 1-1/4 4 0.03 ALtima® Blaze Straight
1.0000 27710006N4B 27816 1 1 6 1-1/4 4 0.06 ALtima® Blaze Straight
1.0000 27710006N5B 27827 1 1 7 1-1/4 5 0.06 ALtima® Blaze Straight
1.0000 27710007N4B 27817 1 1 6 1-1/4 4 0.09 ALtima® Blaze Straight
1.0000 27710007N5B 27829 1 1 7 1-1/4 5 0.09 ALtima® Blaze Straight
1.0000 27710008N4B 27818 1 1 6 1-1/4 4 0.12 ALtima® Blaze Straight
1.0000 27710008N5B 27831 1 1 7 1-1/4 5 0.12 ALtima® Blaze Straight
1.0000 27710009N3B 27812 1 1 6 1-1/4 3 0.19 ALtima® Blaze Straight
1.0000 27710009N4B 27819 1 1 6 1-1/4 4 0.19 ALtima® Blaze Straight
1.0000 27710009N5B 27833 1 1 7 1-1/4 5 0.19 ALtima® Blaze Straight
1.0000 27710012N3B 27813 1 1 6 1-1/4 3 0.25 ALtima® Blaze Straight
1.0000 27710012N4B 27821 1 1 6 1-1/4 4 0.25 ALtima® Blaze Straight
1.0000 27710012N5B 27835 1 1 7 1-1/4 5 0.25 ALtima® Blaze Straight
1.0000 27710004N3BW 15882 1 1 6 1-1/4 3 0.03 ALtima® Blaze Weldon
1.0000 27710004N5BW 15144 1 1 7 1-1/4 5 0.03 ALtima® Blaze Weldon