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These 14" long aluminum tubes have an outer diameter of 1", an inner diameter of 0.82", and a wall thickness of 0.09". When u…
These 4" long aluminum tubes have an outer diameter of 3/8", an inner diameter of 0.30", and a wall thickness of 0.035". When…
These standard gearmotors are incredibly tough and feature full metal gears to help you drive wheels, gears, or almost anythi…
These 4" long stainless steel tubes have an outer diameter of 1", an inner diameter of 0.88", and a wall thickness of 0.06". …
This pack of 4-40 screws comes with a matching hex key. Each screw is 10mm in length. These are left over production stock fr…
**Replacement:** None. We are no longer carrying this bracket in our catalog. This page is for reference only. This compact …
These 1" long stainless steel shafts have a diameter of 1/4". These shafts are solid, which makes them an ideal choice for ax…
These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 24 teeth …
These 1.75" long stainless steel D-Shafts have a diameter of 1/4". The flat edge that runs the length of the shaft makes it a…
These hub-mountable aluminum gears are ideal for transmitting motion from a motor or servo to a wheel or shaft. These gears h…
These black precision disk wheels have an outer diameter of 3”, a width of 0.23”, and utilize the 0.77” hub pattern. Th…
These servo gears are made specifically to fit a Hitec C1 servo spline, allowing you to mate other gears to your servo. They …
**Replacement:**[ROB-11699](https://www.sparkfun.com/products/11699). The new revision uses the Allegro A4988 in place of the…
These threaded aluminum standoffs are 1/2” long and have a thread pitch of 6-32, and an outer diameter of 0.25”. **Note:…
Channel sliders let you achieve precise linear motion with [Actobotics](https://www.sparkfun.com/pages/Actobotics) channels. …
These clear yellow precision disk wheels have an outer diameter of 3”, a width of 0.23”, and utilize the 0.77” hub patt…
These smooth (round) belts have a Durometer hardness of A70 and can withstand temperatures from -35 to 250 degrees F. Their e…
Pillow block bearing mounts attach to the outside of a channel and can be used as simple hinges. These bearing mounts have a …
**Replacement:**[ROB-11965](https://www.sparkfun.com/products/11965). Our new version has better speed and reliability. This …
STSPIN820 Click is a stepper motor driver with the PWM current control, selectable microstepping up to 256 microsteps, and a …
Quad block bearing mounts attach to the inside of a channel and have a ball bearing with a 3/8” bore for shafts. These bear…
These threaded aluminum standoffs are 7/8” long and have a thread pitch of 6-32, and an outer diameter of 0.25”. **Note:…
These 3" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for a…
These are black, self-adhesive silicone bumpers 8mm in diameter and about 2mm tall. These bumpers raise your PCB or project u…
These 2.5" long stainless steel D-Shafts have a diameter of 1/4". The flat edge that runs the length of the shaft makes it an…
These zinc-plated socket head machine screws are 3/16” long and have a tread pitch of 6-32. Sold in packs of 25. **Note:**…
This tube clamp allows you to secure two 1" bore tubes at 90 degrees. The tubes are held securely in place by set screws. Pre…
The C Style Motor Mount is a low-profile mount for your standard or precision gear motors. Two screws secure your motor while…
This is a 12" servo cable. This comes in very handy when your servo is further away from the controller than the wire on the …
These zinc-plated socket head machine screws are 7/16” long and have a tread pitch of 6-32. Sold in packs of 25. **Note:**…
These 1" long stainless steel shafts have a diameter of 5/16". These shafts are solid, which makes them an ideal choice for a…
The HUB-ee is a type of robot servo but designed for wheels, in fact it is a wheel, but it is also a motor, a sensor and a mo…
These threaded aluminum standoffs are 3/4” long and have a thread pitch of 6-32, and an outer diameter of 0.25”. **Note:…
These round pillow block bearing mounts attach to the outside of a channel and have a ball bearing with a 1” bore for shaft…
The Spectacle Motion Board makes it easy to add movement to your Spectacle projects. Each Motion Board can control up to five…
These clamping hubs are a great and cost-effective choice when attaching hub mount gears or wheels to shafts or tubes and can…
These white precision disk wheels have an outer diameter of 2”, a width of 0.23”, and utilize the 0.77” hub pattern. Th…
The SparkFun Serial Controlled Motor Driver allows you to control up to two DC motors using a serial command interface. The s…
**Replacement:** None. There is no direct replacement for this motor driver. This page is for reference only. The jrk 21v3, …
**Replacement:** None. We are no longer carrying this kit, but have a look at our [robotics](http://www.sparkfun.com/categori…
**Replacement:** None. We do not have a direct replacement for this product. This page is for reference only. Turnigy's Elec…
This is the high speed motor on the RFL robot responsible for throwing and snap actions. Comes terminated with a common 2-pin…
**Replacement:** None. We're no longer selling these speed controllers, but check out the rest of our [robotics](http://www.s…
**Replacement:** None. We do not have a direct replacement for this kit. This page is for reference only. The MicroCamp2.0 i…
**Replacement:** None. There is no direct replacement for this part. This page is for reference only. This is a simple MOSFE…
**Replacement:** None. We do not have a direct replacement. Check the [drivers category](http://www.sparkfun.com/categories/1…
**Replacement:**[DEV-10182](http://www.sparkfun.com/products/10182). We are now building our own version of this board. This …