McMaster-Carr logo
    Filter by
    For Use On
    System of Measurement
    Cutting Diameter
    Number of Flutes
    Shank Diameter
    Attribute Image
    Cut Style
    Length of Cut
    Flute Type
    Tool Type
    Material
    Chip Removal Direction
    Overall Length
    Shank Type
    Sold As
    Length
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Forward
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Print
    How can we improve?
    Comments
    E-mail address (if you would like a response)
    4 Products

    Straight and Spiral Router Bits for Aluminum

    Also known as O-flute bits, the flutes on these bits are open and rounded for efficient chip removal when cutting aluminum. This also reduces heat to prevent melting or warping. Use these bits to create square slots, pockets, and edges. They are plunge cutting, letting you cut directly into the workpiece from above. They do not have a pilot, so guide your router along a straight edge when hand routing to make accurate cuts.
    Zirconium Nitride (ZrN)-Coated Carbide
    Image of ProductInUse. Front orientation. Router Bits. Straight and Spiral Router Bits for Aluminum , Zirconium Nitride (ZrN)-Coated Carbide, Square Cut Style—Plunge-Cut.

    Square Cut

    Style—Plunge-Cut

    Image of Product. Front orientation. Router Bits. Straight and Spiral Router Bits for Aluminum , Zirconium Nitride (ZrN)-Coated Carbide, Square Cut Style—Plunge-Cut, Spiral Flute.

    Square Cut

    Style—Plunge-Cut,

    Spiral Flute

    Zirconium-nitride (ZrN) coated carbide bits have a smoother cutting edge than uncoated bits, so they generate less friction when cutting. This helps keep temperatures down when cutting at high speeds, minimizing material buildup and extending the life of the bit. Carbide bits have a longer life and faster cutting speeds than high-speed steel bits. Their extreme hardness makes them brittle, so they’re not recommended for use with hand tools. A highly rigid setup, such as a CNC machine, is necessary to keep bits from breaking.
    Spiral Flute—Bits with spiral flutes leave a smoother finish than straight-flute bits and make plunge cuts more easily.
    Upward Chip Removal—Bits with upward chip removal lift chips up for applications that require a smooth finish on the bottom edge of the cut. Securely clamp the workpiece before routing to prevent lifting.
    2 Flutes—Bits with two flutes produce a smoother finish.
    Cutting
    Dia.
    Lg. of
    Cut
    Shank
    Dia.
    Overall
    Lg.
    No. of
    Flutes
    For Tool
    Type
    For Use
    On
    Each
    Square Cut Style—Plunge-Cut
     
    Spiral Flutes with Upward Chip Removal
    1/8"1/4"1/4"2"2CNC MachineAluminum
    		3317A111000000
    1/8"1/2"1/4"2"2CNC MachineAluminum
    		3317A11200000
    3/16"1/2"1/4"2"2CNC MachineAluminum
    		3317A11300000
    1/4"5/8"1/4"2"2CNC MachineAluminum
    		3317A11400000
     
    back to top