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If you're attaching shafts to wheels or joining one piece of structure to another, you'll most likely want to use a hub or a clamp.

  1. Pololu Universal Aluminum Mounting Hub for 3mm Shaft, M3 Holes (2-Pack) POLOLU-1996 Pololu Australia - Express Delivery Australia Wide

    Pololu Universal Aluminum Mounting Hub for 3mm Shaft, M3 Holes (2-Pack)

    SKU: POLOLU-1996
    These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 3 mm diameter motor shafts. The set includes two hubs, two M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws. Each hub has four threaded mounting holes for M3 screws (not included). Learn More
    $7.49 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 23rd of Aug

    $7.49 AUD

  2. Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack) POLOLU-1997 Pololu Australia - Express Delivery Australia Wide

    Pololu Universal Aluminum Mounting Hub for 4mm Shaft, M3 Holes (2-Pack)

    SKU: POLOLU-1997
    These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4 mm diameter motor shafts. The set includes two hubs, two M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws. Each hub has four threaded mounting holes for M3 screws (not included). Learn More
    $8.74 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 30th of Aug

    $8.74 AUD

  3. Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes (2-Pack) POLOLU-1998 Pololu Australia - Express Delivery Australia Wide

    Pololu Universal Aluminum Mounting Hub for 5mm Shaft, M3 Holes (2-Pack)

    SKU: POLOLU-1998
    These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 5 mm diameter motor shafts. The set includes two hubs, two M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws. Each hub has four threaded mounting holes for M3 screws (not included). Learn More
    $9.40 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 30th of Aug

    $9.40 AUD

  4. Pololu Universal Aluminum Mounting Hub for 6mm Shaft, M3 Holes (2-Pack) POLOLU-1999 Pololu Australia - Express Delivery Australia Wide

    Pololu Universal Aluminum Mounting Hub for 6mm Shaft, M3 Holes (2-Pack)

    SKU: POLOLU-1999
    These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 6 mm diameter motor shafts. The set includes two hubs, four M3 set screws for securing the hubs to motor shafts, and one 1.5 mm Allen wrench for use with the set screws. Each hub has six threaded mounting holes for M3 screws (not included). Learn More
    $10.00 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 23rd of Aug

    $10.00 AUD

  5. Set Screw Hub - 3mm Bore ROB-12512 Sparkfun Australia - Express Delivery Australia Wide

    Set Screw Hub - 3mm Bore

    SKU: ROB-12512
    Set screw hubs offer a cheap way to attach hub mount gears or wheels to a shaft. The hub offers 4 equally spaced 6-32 tapped holes utilizing the 0.77" hub pattern and is precision machined from 6061 T6 aluminum. The set-screw is 10-32 and uses a 3/32” hex key. This hub has a 3mm bore. Learn More
    $8.62 AUD, inc GST
    AUD, inc GST
    $8.62 AUD
  6. Set Screw Hub - 6mm Bore ROB-12318 Sparkfun Australia - Express Delivery Australia Wide

    Set Screw Hub - 6mm Bore

    SKU: ROB-12318
    Set screw hubs offer a cheap way to attach hub mount gears or wheels to a shaft. The hub offers 4 equally spaced 6-32 tapped holes utilizing the 0.77" hub pattern and is precision machined from 6061 T6 aluminum. The set-screw is 10-32 and uses a 3/32” hex key. This hub has a 6mm bore. Learn More
    $8.62 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 23rd of Aug

    $8.62 AUD

  7. Servo Hub - Lightweight (Futaba Standard) ROB-12291 Sparkfun Australia - Express Delivery Australia Wide

    Servo Hub - Lightweight (Futaba Standard)

    SKU: ROB-12291
    These lightweight servo hubs are ideal for attaching wheels, gears, or any heavy duty servo horns directly to your 3F Futaba servo spline. These aluminum servo hubs have a diameter of 1”, a width of 0.17”, and utilize the 0.77” hub pattern. Learn More
    $6.89 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 28th of Aug

    $6.89 AUD

  8. Servo Hub - Lightweight (Hitec Standard) ROB-12543 Sparkfun Australia - Express Delivery Australia Wide

    Servo Hub - Lightweight (Hitec Standard)

    SKU: ROB-12543
    These lightweight servo hubs are ideal for attaching wheels, gears, or any heavy duty servo horns directly to your C1 Hitec servo spline. These aluminum servo hubs have a diameter of 1”, a width of 0.17”, and utilize the 0.77” hub pattern. Learn More
    $6.89 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 28th of Aug

    $6.89 AUD

  9. Sprocket - Hub Mount (0.25", 40T; 1.0" Bore) ROB-12522 Sparkfun Australia - Express Delivery Australia Wide

    Sprocket - Hub Mount (0.25", 40T; 1.0" Bore)

    SKU: ROB-12522
    These hub-mountable aluminum sprockets can be used to drive wheels or other sprockets with 0.25” chain. They have 40 teeth with a spacing of 0.25”, an outer diameter of 3.336”, a bore of 1”, and utilizes the 1.5” hub pattern. Learn More
    $14.45 AUD, inc GST
    AUD, inc GST
    $14.45 AUD
  10. Swivel Hub ROB-12509 Sparkfun Australia - Express Delivery Australia Wide

    Swivel Hub

    SKU: ROB-12509
    The swivel hub lets you connect any two parts with the 0.77" hub pattern together and have them swivel a full 360 degrees. Internal ball bearings allow for smooth motion. Tapped 6-32 holes are on both sides, making attachment easy. Use these wherever you need a smooth swivel motion such as a wheel mount or rotating platter. Learn More
    $12.07 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 28th of Aug

    $12.07 AUD

  11. Hub Adapter - 1.50" to 0.77" ROB-12199 Sparkfun Australia - Express Delivery Australia Wide

    Hub Adapter - 1.50" to 0.77"

    SKU: ROB-12199
    This hub adapter lets you connect Actobotics parts with a 0.77" hub pattern to parts with a 1.5" hub pattern. The holes for the 1.5" pattern alternate between tapped and untapped, whereas the inner 0.77" hole pattern is all un-tapped. Learn More
    $9.10 AUD, inc GST
    AUD, inc GST
    delivered by
    Mon 28th of Aug

    $9.10 AUD

  12. Ball Bearing Hub ROB-12245 Sparkfun Australia - Express Delivery Australia Wide

    Ball Bearing Hub

    SKU: ROB-12245
    These ball bearing hubs from Actobotics are great when you need to securely fasten a free-spinning shaft to a stationary channel to drive a pulley, wheel, or other rotating device. Each ball bearing hub has an outer diameter of 1", a bearing bore of 0.25", a thickness of 0.5", and utilizes the 0.77" hub pattern. Learn More
    $12.07 AUD, inc GST
    AUD, inc GST
    $12.07 AUD
  13. Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack) POLOLU-1081 Pololu Australia - Express Delivery Australia Wide

    Pololu Universal Aluminum Mounting Hub for 4mm Shaft, #4-40 Holes (2-Pack)

    SKU: POLOLU-1081
    These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 4 mm diameter motor shafts. The set includes two hubs, two #4-40 set screws for securing the hubs to motor shafts, and one 0.05″ Allen wrench for use with the set screws. Each hub has four threaded mounting holes for #4-40 screws (not included). Learn More
    $8.74 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 23rd of Aug

    $8.74 AUD

  14. Pololu Universal Aluminum Mounting Hub for 6mm Shaft, #4-40 Holes (2-Pack) POLOLU-1083 Pololu Australia - Express Delivery Australia Wide

    Pololu Universal Aluminum Mounting Hub for 6mm Shaft, #4-40 Holes (2-Pack)

    SKU: POLOLU-1083
    These universal aluminum mounting hubs allow you to mount custom wheels and mechanisms to 6 mm diameter motor shafts. The set includes two hubs, four #4-40 set screws for securing the hubs to motor shafts, and one 0.05″ Allen wrench for use with the set screws. Each hub has six threaded mounting holes for #4-40 screws (not included). Learn More
    $10.00 AUD, inc GST
    AUD, inc GST
    delivered by
    Wed 23rd of Aug

    $10.00 AUD

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