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    Climber in a Box Winch Spool Pulley 1 Stage

    This spool is used in the Climber in a Box Winch Kit. It's used with 10 feet of Rope to create a strong elevator or winch system. 


    • Bore: 0.5 in. Hex
    • Ridge Diameter: 1.63 in.
    • Spool Diameter: 0.787 in.


    CAD File(s)

    am-4647_2000 Full Winch Spool For 2 in. Box Tube.STEP

    am-4647_1500 Full Winch Spool For 1.5 in. Box Tube.STEP

    Layout Print(s)

    am-4647_1500 Climber in a Box 1 Stage Winch Spool.pdf

    am-4647_2000 Climber in a Box 2 Stage Winch Spool.pdf

    MFR Part #: am-4647_1500
    Availability: 1 in stock
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    2.25 inch Compliant Wheel, 1/2 Inch Hex, 40A Durometer, Orange

    (In 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 axle creates a very effective roller that ignores variations in the objects being driven. This makes for high-performance intakes and internal conveyors.

    Different durometer ratings give each wheel unique characteristics. Green wheels (35A durometer) are the softest and most compliant around objects, maroon (45A), blue (50A), and black (60A) 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: 0.375 in. Hex, 0.50 in. Hex, 5 mm Hex
    • Core Material: Polycarbonate
    • Diameter: 2.25 in.
    • Durometer: 35A (Green), 40A (Orange), 50A (Blue), 60A (Black)
    • Tread Material: TPU
    • Weight: 0.08 lbs
    • Width: 1 in.




    Layout Print(s)

    am-3949 2.25IN 500Hex HD Compliant Wheel REV3.PDF

    am-3950 2.25IN 375Hex HD Compliant Wheel REV3.PDF

    am-4536 2.25in HD 5mm Hex Molded Compliant Wheel.PDF

    CAD File(s)

    am-3949 2.25IN 500Hex HD Compliant Wheel.STEP

    am-3950 2.25IN 375Hex HD Compliant Wheel.STEP

    am-4536 2IN OverMolded 5mm Hex Compliant Wheel.STEP

    #25 Connecting Link for Roller Chain

    (In stock)

    #25 Connecting Link (Master Link) 


    • Material: Steel
    • Style: Roller Chain - Spring Clip
    • Type: Connecting Link
    • Size: #25
    • Pitch: 0.250 inch
    • Weight: 0.01 lbs

    #25 18 Tooth 0.5 in. Hex Sprocket

    (14 In stock)


    • Bore: 0.500 in. Hex
    • Series: #25
    • Weight: 0.03 Pounds
    • Material: 7075-T6 Aluminum
    • Thickness: 0.1 in.
    • Tooth Count: 18
    • Hub Diameter: 0.873 in.
    • Overall Depth: 0.4 in.
    • Pitch Diameter: 1.440 in.
    • Outside Diameter: 1.568 in.

    1/2 in. Steel Hex Shaft Stock - 3ft Length

    (0 In stock)

    1/2 in. hex shaft is the life of many competitive robot components. This 1018 steel shaft is available in four lengths. The five inch shaft was used in various Modulox gearboxes and may come with a 1/4 in. hole drilled in one end. The other sizes can be used as shaft stock, ready to be cut to length as needed. The stock lengths ship un-plated ready for your choice of finish. 

    24T 20DP 0.5" Hex Bore, Steel Gear

    (In stock)


    • Material: 4140 steel, cold formed
    • Diametral pitch: 20
    • Pressure angle: 14.5
    • Number of teeth: 24
    • Pitch diameter: 1.2 inch
    • Bore: 1/2" Hex (0.501-505 inch)
    • Thickness: 0.38
    • Weight: 0.086 pound

    #25 Half Link for Roller Chain

    (In stock)

    #25 Half Link. Also known as #25 Offset Link. 


    • Material: Steel
    • Style: Roller Chain with interted pin
    • Type: Half Link
    • Size: #25
    • Pitch: 0.25 inch
    • Weight: 0.01 lbs