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    0.375 in. ID 0.5 in. OD Aluminum Spacer at Various Lengths (1.1875 in)

    This spacer is designed to fit on a shaft or screw that is 0.375 in. in diameter. Spacers help keep things in place in a multitude of ways. You can use this to slip over a shaft that is smaller than the inside diameter, between objects where it gets smashed between them with other fasteners, or help center a shaft of smaller size into a larger hole. Not seeing the length you're looking for? Consider stacking several together.




    • Inside Diameter: 0.375 in.
    • Length: 0.5 in.
    • Material: Aluminum
    • Outside Diameter: 0.5 in.
    # Pièce: am-1590-1188
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    10-32 Nylock Nut

    (En stock)

    This item can only be purchased in multiples of 25



    • Material: Steel
    • Coating: Zinc Plated
    • Thread: #10-32
    • Thickness: 0.249"
    • Thread: Fine
    • Thread Size: 32
    • Type: Nylon Insert Lock Nut
    • Wrench Size: 3/8"

    10-32 x 0.75 in. Socket Head Cap Screw - Min 25

    (En stock)



    • Material: Steel
    • Coating: Zinc Plated
    • Thread: 10-32
    • Length: 3/4"
    • Head: Socket Head Cap Screw

    10-32 x 0.5 in. Socket Head Cap Screw


    This item can only be purchased in multiples of 25


    #10-32 x 0.5 in. long Socket Head Cap Screw



    • Finish: Zinc
    • Head: Socket Cap
    • Length: 0.5 in.
    • Material: Steel
    • Thread: 10-32
    • Weight: 0.1 lbs

    2" Compliant Wheel, 1/2 inch Hex, 35 Durometer Green

    (En stock)

    Compliant wheels are not intended for moving robots, but moving objects. Compliant wheels give way to allow rigid objects to be manipulated easily. A line of multiple wheels on a driven hex shaft creates a very effective roller that ignores variations in the objects being driven. This makes for high-performance intakes and internal conveyors. The wheels are sized for an interference fit and tend to stay in place on a shaft, though a shaft collar may be used to make absolutely sure the wheels stay clear of other mechanisms or maintain consistent spacing.


    The hex bore versions of this wheel are undersized, and are intended to be an interference fit on their respective hex shafts. This interference fit allows for effective torque transfer from the hex shaft to the wheel, as well as allowing the wheel to remain in place along the shaft without the need for spacers or collar clamps:


    Compliant Wheel Sizing


    Different durometer ratings give each wheel unique characteristics. Green wheels (35A durometer) are the softest and most compliant around objects, while orange (40A), maroon (45A), and blue (50A) wheels are increasingly firm. The increased firmness also allows the latter wheels to carry a higher RPM rating. Check out the downloads tab for a chart showing wheels and their maximum RPM. 





    • Bore: 1/2 in. Hex, 3/8 in. Hex, Nub Bore
    • Diameter: 2 in.
    • Durometer: 35A (Green), ⠀40A (Orange), ⠀45A (Maroon), ⠀50A (Blue), 60A (Black)
    • Hole Pattern: Qty 2 3.5 mm Holes on a 16 mm Circle for 8 mm bore wheels
    • Material: TPU
    • Maximum RPM: 6000 - 9000
    • Weight: 0.035 lb.
    • Width: 0.5 in.



    Layout Print(s)

    am-3571 2IN 375 Hex Compliant Wheel REV3.PDF

    am-3462 2IN 500Hex Compliant Wheel REV3.PDF

    am-3572 2IN 8mm Compliant Wheel REV4.PDF

    CAD File(s)

    am-3571 2IN 375Hex Compliant Wheel REV2.STEP

    am-3572 2IN 8mm Compliant Wheel REV2.STEP

    am-3462 2IN Molded 500Hex Compliant Wheel REV2.STEP

    Additional File(s)

    2 inch Compliant Wheel Expansion.pdf

    Don't see what you need?

    500 Hex Hub

    (En stock)

    500 Hex Hub. This hub fits all AndyMark wheels. 

    The bolt pattern is designated as 6 holes evenly spaced on a 1.875" diameter bolt circle. The hex broach is consistently cut to be aligned with the holes.


    • Material: 6061 Aluminum
    • Bore: 0.501-505" hex bore (broached)
    • Bolt Pattern: 0.204" diameter holes, evenly spaced on a 1.875" diameter bolt circle
    • Boss diameter: 0.956" - 0.96"
    • Outside diameter: 2.25"
    • Weight: 0.104 pounds

    The mounting holes and the hex bore are now aligned and consistent.

    8-32 x 0.5 in. Button Head Cap Screw with Nylon Thread


    This 0.5 in. long 8-32 Button Head Cap Screw is used on the end of a Falcon 500 motor to retain pinions, adapters, or other spline hardware. It is included with the Falcon 500 Spline to 1/2 inch Hex Shaft Adapter.



    • Drive: 3/32 in.
    • Finish: Black Oxide
    • Head: Button Cap
    • Length: 0.5 in.
    • Material: Alloy Steel
    • Thread: 8-32
    • Weight: 0.006 lbs