McMaster-Carr logo
    Filter by
    Gear Module
    Industrial Info Compare
    Attribute Image
    System of Measurement
    Component
    Gear Pitch Diameter
    Industrial Info Snippet
    Attribute Image
    Face Width
    Attribute Image
    Shaft Diameter
    Attribute Image
    Pressure Angle
    Gear Type
    Hub Diameter
    Attribute Image
    Bore Type
    Overall Width
    Attribute Image
    U.S.–Mexico–Canada Agreement (USMCA) Qualifying
    Tooth Heat Treatment
    Heat Treatment
    DFARS Specialty Metals
    Export Control Classification Number (ECCN)
    Industrial Info Snippet
    Thread Size
    Industrial Info Snippet
    Set Screw Thread Size
    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)
    16 Products

    Metal Spur Gears

    Our strongest spur gears for transferring motion. They’re better than plastic gears for high-load, high-speed, and heavy duty applications. Combine a gear and rack to convert rotary motion into linear motion. To minimize your footprint, mount one or more standard gears inside of an internal gear.
    Combine gears with different numbers of teeth to change speed and torque in your assembly. For components to mesh correctly, they must have the same pressure angle and pitch/module.
    Gears
    Image of Product. Front orientation. Spur Gears. Metal Spur Gears, 20° Pressure Angle, Round Bore.
    Image of Product. Gear with Round Bore and Set Screw. Back orientation. Spur Gears. Metal Spur Gears, 20° Pressure Angle, Round Bore with Set Screw.

    20° Pressure Angle

    Round Bore

    Gear with Round

    Bore and Set Screw

    20° Pressure Angle—The current industry standard, these 20° pressure angle spur gears have thicker, stronger teeth than 14½° pressure angle gears.
    Steel—Steel gears have hard, strong, and wear-resistant teeth, although they will rust when exposed to moisture and corrosive chemicals.
    Stainless Steel—Stainless steel gears resist rust in damp and wet environments, so they're commonly used in food-processing plants and other areas with frequent cleaning.
    Hub,
    mm
    Gear
    Module
    No. of
    Teeth
    Gear Pitch
    Dia., mm
    OD,
    mm
    Face Wd.,
    mm
    Dia.
    Wd.
    Bore Type
    For Shaft
    Dia., mm
    Tooth Heat
    Treatment
    Material
    Each
    20° Pressure Angle
     
    Steel
    0.5
    		5527.5285257Round Bore with Set Screw5Not HardenedBlack-Oxide 1045 Carbon Steel00000000000000
    1
    		555557103510Round Bore10Not HardenedBlack-Oxide 1045 Carbon Steel0000000000000
     
    Stainless Steel
    1.5
    		5582.585155514Round Bore12Not Hardened303 Stainless Steel00000000000000
     
    Gear Racks
    Image of Product. Front orientation. Spur Gear Racks. Metal Spur Gears, 20° Pressure Angle—Rectangular.
    Image of Product. Front orientation. Spur Gear Racks. Metal Spur Gears, 20° Pressure Angle—Round.

    20° Pressure Angle—Rectangular

    20° Pressure Angle—Round

    These racks match with spur gears to convert rotary motion to linear motion. For components to mesh correctly, they must have the same pressure angle and pitch/module.
    Steel—Steel gear racks have strong and wear-resistant teeth, although they will rust when exposed to moisture and corrosive chemicals.
    Stainless Steel—Stainless steel gear racks resist rust in damp and wet environments, so they're commonly used in food-processing plants and other areas with frequent cleaning.
    Hardened—Gear racks with hardened teeth have better wear resistance than racks with teeth that are not hardened.
    Gear
    Module
    Lg.,
    mm
    Pitch Ht.,
    mm
    Ht.,
    mm
    Face Wd.,
    mm
    Dia.,
    mm
    Tooth Heat
    Treatment
    Material
    Features
    Each
    20° Pressure Angle—Rectangular
     
    Steel
    0.5
    		10011.5125—Not HardenedBlack-Oxide 1045 Carbon Steel—00000000000000
    0.5
    		30011.5125—Not HardenedBlack-Oxide 1045 Carbon SteelMachined Ends0000000000000
    1
    		100111210—Not HardenedBlack-Oxide 1045 Carbon Steel—0000000000000
    1
    		300111210—Not HardenedBlack-Oxide 1045 Carbon Steel—0000000000000
    1
    		5008.89.810—Not Hardened1045 Carbon Steel—0000000000000
    1
    		1,0008.89.810—Not Hardened1045 Carbon Steel—00000000000000
     
    Stainless Steel
    1.5
    		50018.52015—Hardened304 Stainless Steel—00000000000000
    1.5
    		1,00018.52015—Hardened304 Stainless SteelMachined Ends00000000000000
     
    20° Pressure Angle—Round
     
    Steel
    1
    		5009——10Not HardenedBlack-Oxide 1045 Carbon Steel—00000000000000
     
    Internal Gears
    Image of Product. Front orientation. Internal Spur Gears. Metal Spur Gears.
    Save space without losing power. Insert a standard spur gear inside one of these gears for a compact assembly that smoothly transmits motion. Combine gears with different numbers of teeth to change speed and torque in your assembly. For components to mesh correctly, they must have the same pressure angle and pitch/module.
    Steel—Steel gears have strong and wear-resistant teeth, although they will rust when exposed to moisture and corrosive chemicals.
    Gear
    Module
    No. of
    Teeth
    Gear Pitch
    Dia., mm
    OD,
    mm
    ID,
    mm
    Face Wd.,
    mm
    Tooth Heat
    Treatment
    Finished Material
    Each
    20° Pressure Angle
     
    Steel
    0.5
    		603050295Not HardenedBlack-Oxide 1045 Carbon Steel0000000000000
    0.5
    		1005070495Not HardenedBlack-Oxide 1045 Carbon Steel000000000000
    1
    		6060905810Not HardenedBlack-Oxide 1045 Carbon Steel000000000000
    1
    		1001001309810Not HardenedBlack-Oxide 1045 Carbon Steel0000000000000
     
    back to top