MILLING

(Showing 48 of 48)
Show 12 24 36 48
Compare
View By List No: 
  • VectorA
  • VectorA
  • VectorA
  • CARBIDE 1MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 1MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 1.5MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 1.5MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 1/16 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 1/16 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 5/64 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 5/64 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 2MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 2MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 3/32 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 3/32 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 2.5MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 2.5MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 7/64 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 7/64 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 3MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 3MM X 3MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 1/8 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 1/8 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 3.5MM X 4MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 3.5MM X 4MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 9/64 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 9/64 X 1/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 5/32 X 3/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 5/32 X 3/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 4MM X 4MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 4MM X 4MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 11/64 X 3/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 11/64 X 3/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 4.5MM X 5MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 4.5MM X 5MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 3/16 X 3/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 3/16 X 3/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 5MM X 5MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 5MM X 5MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 13/64 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 13/64 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 7/32 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 7/32 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 15/64 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 15/64 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 6MM X 6MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 6MM X 6MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 1/4 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 1/4 X 1/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 17/64 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 17/64 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 7MM X 8MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 7MM X 8MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 9/32 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 9/32 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 19/64 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 19/64 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 5/16 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 5/16 X 5/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 8MM X 8MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 8MM X 8MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 9MM X 10MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 9MM X 10MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 3/8 X 3/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 3/8 X 3/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 10MM X 10MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 10MM X 10MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 11MM X 11MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 11MM X 11MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 7/16 X 7/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 7/16 X 7/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 12MM X 12MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 12MM X 12MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 1/2 X 1/2 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 1/2 X 1/2 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 14MM X 14MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 14MM X 14MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 9/16 X 9/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 9/16 X 9/16 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 5/8 X 5/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 5/8 X 5/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 16MM X 16MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 16MM X 16MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 11/16 X 3/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 11/16 X 3/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 18MM X 18MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 18MM X 18MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 3/4 X 3/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 3/4 X 3/4 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 20MM X 20MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 20MM X 20MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 22MM X 22MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 22MM X 22MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 7/8 X 7/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 7/8 X 7/8 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 25MM X 25MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 25MM X 25MM 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • CARBIDE 1" X 1" 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    End_Mills_-_End_Mill_-_Carbide_-_List_403BN_-_Standard_Ball_End_-_Catalog
    3 Flute, Ball End
    ALTERNATIVE PRODUCT

    CARBIDE 1" X 1" 3FL BALL NOSE

    STANDARD CARBIDE BN   

    List 403BN
    3 Flute, Ball End
    ALTERNATIVE PRODUCT
  • ;
Stocked
Discontinued
Globally Stocked
Made to Order
While Supplies Last
X