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S7 Tool Steel 

Z Series cutter bodies are made from S7, a shock resisting grade of tool steel with an excellent combination of high stremgth and toughness.


  • Catalog Page 5

  • High-performance square shoulder milling with APKT inserts
  • Hardened S7 tool steel bodies for extreme durability
  • Cuts a 90° shoulder
  • XL versions for extra reach and deep pocketing
  • Two indexes per insert
  • Cutter bodies made in the USA



Orders placed by 2 PM ET (Monday-Friday) often ship same day




  • Screws are included
  • Inserts are sold separately
  • Special sizes can be quoted

ZEM-310XL · 1" End Mill · 3 Flutes



    Catalog Page 5


    Diameter (D) 1.000
    Shank Size (S) 1.000 Weldon
    Overall Length (L) 5.51
    Head Length (H) 3.23
    Max. Depth of Cut (ap) 0.38
    Flutes 3



    Insert Style APKT-1003
    Inserts Required 3
    Indexes Per Insert 2
    Insert Screw M25T6S217
    Wrench  T9


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