McMaster-Carr logo
    Filter by
    For Gear Pressure Angle
    For Number of Gear Teeth
    Gear Pitch
    Industrial Info Compare
    Gear Cutter Trade Number
    Mill Diameter
    Attribute Image
    Arbor Hole Diameter
    Keyway Width
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    16 Products

    Gear Cutters

    Image of ProductInUse. Front orientation. Gear Cutters.
    Image of Product. Front orientation. Gear Cutters.
    Also known as involute gear cutters, these tools work with a milling machine to create 14½° or 20° pressure angle spur gears. If worn, they can be sharpened and used again.
    To select a gear cutter, follow these steps:
    1. Determine the pitch of the gear you're cutting. Gear pitch = (No. of Teeth + 2) / OD. Round to the nearest whole number.
    2. Select the cutter that matches your gear's pitch and number of teeth.
    For 14 1/2° Gear Pressure Angle—Cutters for 14½° Gear Pressure Angle—The former industry standard, these gears are often found in older machinery.
    For 20° Gear Pressure Angle—Cutters for 20° Gear Pressure Angle—These gears are the current industry standard and have thicker, stronger teeth than 14½° pressure angle gears.
    Mill
    For Number
    of Gear Teeth
    Gear Cutter
    Trade No.
    Thk.
    Dia.
    Arbor Hole
    Dia.
    Keyway
    Wd.
    Material
    For Use On
    Each
    For 14 1/2° Gear Pressure Angle
     
    For 8 Gear Pitch
    135 and Up10.354"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A1140000000
    55-13420.394"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A214000000
    35-5430.394"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A314000000
    26-3440.433"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A414000000
    21-2550.433"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A514000000
    17-2060.433"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A614000000
    14-1670.472"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A714000000
    12-1380.472"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A814000000
     
    For 20° Gear Pressure Angle
     
    For 8 Gear Pitch
    135 and Up10.35"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N61000000
    55-13420.35"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N62000000
    35-5430.375"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N63000000
    26-3440.437"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N64000000
    21-2550.437"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N65000000
    17-2060.5"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N66000000
    14-1670.5"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N67000000
    12-1380.5"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N68000000
     
    back to top