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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 (D/D1) Shank Diameter (D2) Overall Length (L1) Flute Length (L2) Neck Length (L3) Corner Radius 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