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    The Thrifty Bot

    The Thrifty Bot's goal is to provide robotics teams with affordable quality parts.

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    Constant Force Spring Kit

    (2 In stock)

    This kit provides enough hardware to mount your constant force spring to your elevator structure. Includes a 16.5 pound 48" inch travel constant force spring, 2 solid aluminum brackets and assorted hardware.

    Half Inch Hex Coupler- QTY 2

    (0 In stock)

    This product includes two 1.25 inch long half inch hex couplers. This product has been verified to clamp all the various standards of 1/2" hex, rounded hex and AM churro with significant clamping force.


    • 1.25" long overall - shortest hex coupler on the market.
    • Split half design allows you to easily remove or add the coupler back on - great for mechanisms that might require maintenance or replacement.
    • Each coupler includes four 3/8" long 6-32 threaded black oxide steel bolts. These bolts use a 7/64" driver to prevent easily stripping the bolt heads out.
    • .1 ounces or .0625 pounds, black anodized 6061 aluminum.

    Thrifty Elevator 2 Stage Kit


    Thrifty Elevator is designed to work with the various brands of 2 in. x 1 in. aluminum box extrusion of any wall thickness on the market. Your team can work with what they like – REV MAXTube, VEX VersaFrame, or simply plain 2" x 1" from your aluminum metal supplier of choice. You bring the 2" x 1" tubing, hex shaft, structural fasteners and gearboxes and we’ll provide the rest.

    The Thrifty Bushing - QTY 10

    (3 In stock)

    The Thrifty Bushing is a nylon bushing that works with 13.75 mm diameter style hex shaft. This bushing is recommended for low-load applications and will allow you to package mechanisms into even smaller form factors. Thriftybot recommends greasing bushings prior to use.

    Thrifty Everybot Climb Hook - QTY 2

    (0 In stock)

    Need to help teams at your event get on the low rung bar? Only have a few hours to help them accomplish this task? No problem with the Thrifty Every Climb Hooks!

    Aluminum 15 Tooth HTD Pulley - QTY 2

    (0 In stock)

    This 5M HTD aluminum pulley 2 pack will allow teams to create larger single belt reductions with a common 1/2" hex interface.

    2 Inch Thrifty Squish Wheels - QTY 10

    (0 In stock)

    Affordable and durable 2 inch squish wheels are now available. These wheels are commonly used by competitive robotics teams to move game pieces throughout their robot.


    These wheels ship in packs of 10 for $3 per wheel and feature:


    • 30A durometer TPE rubber material for maximum squishability
    • .375 inch hex hole, intended to be stretched and used on 1/2 inch hex shafts or other larger OD tubes. Each wheel is 1/2 inch thick.
    • Weight: .038 lbs per wheel
    • STEP CAD file available

    The Thrifty Hub - Half Inch Hex - QTY 4

    (8 In stock)

    Half inch hex hubs are often used to transfer motion between components in competition robots. This hub includes a thicker quarter inch flange that allows for tapping 10-24 / 10-32 holes or drilling and tapping to 1/4-20 sized holes. The Thrifty Hub is offered as a blank hex hub to teams to do further machining or leave stock as-is.

    11 Tooth HTD Motor Output Pulley - 8mm Neo Motor Bore

    (8 In stock)

    These aluminum 5M HTD Pulleys work great for creating belt reductions directly off the motor. Use a 15mm wide belt or two 9mm wide belts as the inside pulley teeth are 18.5mm wide. Choose either 8mm keyed bore or spline bore depending on the motor type you're using.