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    Standard 20DP Gears 1/2 in Hex, 36 Tooth

    20 DP gears are the most common gears used in FIRST Robotics Competition gearboxes. Want to replace one of your existing gears? Building a custom gearbox? This page is a hub for all of our standard width, symmetrical 3/8 hex and 1/2 inch hex bore 20 DP gears.

    Check out our other 20 DP Gear pages for Pinion Gears and Shifting Gears and other special gears like those for the Toughbox line.

    MFR Part #: am-4709
    $22.00
    Availability: 27 in stock
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    Collar Clamp, 1/2 Hex Bore, 2 Pc with Flats

    #am-2871
    $12.68 $12.81
    ( 12 In stock)

    This novel style of collar clamp is split into two pieces so that it can be attached without removing any shafts. The bore is a 1/2" hex. The flats on the perimeter allow for the collar clamp to be held in position or turned for better assembly control. 

    This clamp has been designed and fabricated by BaneBots, and proudly sold through AndyMark.

    Specifications:

    • Material: Aluminum
    • Bore: hex hole, 1/2 inch
    • Outside Diameter: 0.94 inch
    • Thickness: 0.375 inch
    • Width Across Flats: 7/8 inch
    • Weight: 0.020 pound
    • Clamping Screws: #6-32 x 1/2" long (qty. 2)

    Plastic spacers are included with this clamp, positioned between the two halves. These are to be removed before usage.

    0.50 in. Hex and Keyed Shaft Coupling

    #AM-1560
    $25.00
    ( 8 In stock)

    Whether you have shafts that are too short or shafts of different types, this coupling will solve every component connection issue you've had! Need to combine multiple hex shafts, multiple 1/2-inch keyed shafts, or convert between hex and keyed? This coupling solves all at a better price than anyone else can offer!

    Shaft Compatability

    This coupling has geometry to capture 0.50-inch hex shafts with an inside hex of 0.51 to 0.52 inches as well as 0.5 inch keyed shafts with a 1/8th inch keyway with a keyway width of 0.128 inches to 0.131 inches.

    60 Tooth 9 mm Wide 5 mm Pitch HTD Timing Belts - Gates

    #am-4659
    $16.95
    ( 17 In stock)

    These are all of our 9 mm wide 5 mm pitch HTD synchronous timing belt offerings. All of these belts are a composite of flexible rubber with a fiberglass tensile member throughout. Synchronous timing belts, also known as a toothed belt or synchronous belt, are designed to eliminate slippage and keep any number of objects rotating at a constant rate. We offer both genuine Gates brand belts as well as lower-cost generic brand belts. 

     

    Current Belt Offerings

     

    Parts are organized by the following scheme: (Tooth Count - Trade Number - AndyMark part number)

     

    Gates Brand Belts

    • 48T - 240-5M-09 - am-3274
    • 60T - 300-5M-09 - am-4659

     

    Generic Brand Belts

    • 40T - 200-5M-09 - am-3272
    • 45T - 225-5M-09 - am-3273
    • 48T - 240-5M-09 - am-3662
    • 70T - 350-5M-09 - am-4359
    • 93T - 465-5M-09 - am-3378

    Generic 9 mm Wide 5 mm Pitch HTD Timing Belt 150 Tooth

    #am-4911
    $19.00
    ( 18 In stock)

    These are all of our 9 mm wide 5 mm pitch HTD synchronous timing belt offerings. All of these belts are a composite of flexible rubber with a fiberglass tensile member throughout. Synchronous timing belts, also known as a toothed belt or synchronous belt, are designed to eliminate slippage and keep any number of objects rotating at a constant rate. We offer both genuine Gates brand belts as well as lower-cost generic brand belts. 

     

    57 Sport Gearbox 100:1 HD Ratio

    #am-4006_100
    $159.00
    ( 0 In stock)

    The 57 Sport is a competition tested high performance line of planetary gearboxes from AndyMark and BaneBots. The 57 Sport features numerous improvements over previous planetary gearboxes used on FIRST Robotics Competition robots. 

    Blue Bumper Material, 161in x 19.5in

    #am-2676
    $30.00
    (In stock)

    BLUE Cordura nylon bumper material. Each piece is 161 x 19.5 inches, enough to cover the entire perimeter of your FRC robot. The material is heavy-duty nylon cloth, much like the material used on backpacks.

    Additional Information:
     

    We also have stick-on numbers available (not included with material).

     

    Specifications

    • Color: Blue
    • Denier: 1000
    • Length: 161 in.
    • Material: Nylon
    • Width: 19.5 in.