McMaster-Carr logo
    Enter e-mail addresses in the fields below
    Message
    Cancel
    Comments
    E-mail address (if you would like a response)
    96 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 6 Gear Pitch
    35-5430.512"3 1/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A3130000000
    26-3440.551"3 1/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A413000000
    21-2550.551"3 1/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A513000000
    17-2060.551"3 1/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A613000000
    14-1670.591"3 1/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A713000000
    12-1380.591"3 1/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A813000000
     
    For 8 Gear Pitch
    135 and Up10.354"2 7/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A114000000
    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 12 Gear Pitch
    135 and Up10.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A135000000
    55-13420.315"2 1/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A21600000
    55-13420.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A235000000
    35-5430.315"2 1/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A31600000
    35-5430.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A335000000
    26-3440.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A435000000
    21-2550.315"2 1/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A51600000
    21-2550.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A535000000
    17-2060.315"2 1/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A61600000
    17-2060.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A635000000
    14-1670.315"2 1/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A71600000
    14-1670.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A735000000
    12-1380.315"2 1/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A81600000
    12-1380.315"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A835000000
     
    For 24 Gear Pitch
    55-13420.217"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A22100000
    35-5430.217"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A32100000
    26-3440.217"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A42100000
    21-2550.217"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A52100000
    17-2060.217"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A62100000
    12-1380.217"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A82100000
     
    For 32 Gear Pitch
    135 and Up10.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A12200000
    55-13420.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A22200000
    26-3440.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A42200000
    17-2060.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A62200000
    14-1670.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A72300000
    12-1380.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A82200000
     
    For 48 Gear Pitch
    135 and Up10.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A12300000
    55-13420.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A22300000
    35-5430.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A32300000
    26-3440.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A42300000
    21-2550.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A52300000
    17-2060.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A62300000
    14-1670.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A72400000
    12-1380.236"1 3/4"7/8"0.125"Uncoated High-Speed SteelAluminum, Brass, Bronze, Iron, Plastic, Stainless Steel, Steel3034A82300000
     
    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
     
    For 12 Gear Pitch
    135 and Up10.25"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N51000000
    55-13420.281"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N52000000
    35-5430.312"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N53000000
    26-3440.312"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N54000000
    21-2550.343"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N55000000
    17-2060.375"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N56000000
    14-1670.406"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N57000000
    12-1380.437"2 5/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N58000000
     
    For 16 Gear Pitch
    135 and Up10.218"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N41000000
    55-13420.218"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N42000000
    35-5430.25"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N43000000
    26-3440.281"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N44000000
    21-2550.281"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N45000000
    17-2060.312"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N46000000
    14-1670.312"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N47000000
    12-1380.312"2 1/2"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N48000000
     
    For 20 Gear Pitch
    135 and Up10.187"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N31000000
    55-13420.187"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N32000000
    35-5430.218"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N33000000
    26-3440.25"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N34000000
    21-2550.25"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N35000000
    17-2060.25"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N36000000
    14-1670.25"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N37000000
    12-1380.25"2 3/8"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N38000000
     
    For 24 Gear Pitch
    135 and Up10.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N11000000
    55-13420.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N12000000
    35-5430.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N13000000
    26-3440.25"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N14000000
    21-2550.25"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N15000000
    17-2060.25"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N16000000
    14-1670.25"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N17000000
    12-1380.25"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N18000000
     
    For 32 Gear Pitch
    135 and Up10.125"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N21000000
    55-13420.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N22000000
    35-5430.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N23000000
    26-3440.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N24000000
    21-2550.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N25000000
    17-2060.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N26000000
    14-1670.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N27000000
    12-1380.187"2 1/4"1"0.25"Uncoated High-Speed SteelAluminum, Brass, Bronze, Plastic, Stainless Steel, Steel6376N28000000
     
    back to top