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Clamping Hub - 1" Bore (Threaded)
Price: $10.99
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Availability: Out of Stock
Sparkfun Item #: ROB-12414 -

These threaded aluminum clamping hubs are perfect for standard applications that need shafting or tubing 1" in diameter secured safely. These clamping hubs have a 1" bore, an outer diameter of 1.31", four 6-32 tapped holes, and one 1/4-20 x 1/2" machine screw for tightening. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Clamping Hub - 5/16" Bore
Price: $14.67
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Availability: Out of Stock
Sparkfun Item #: ROB-12449 -

These clamping hubs are a great and cost-effective choice when attaching hub mount gears or wheels to shafts or tubes and can be a better option than set screw hubs if you don't want to risk damaging whatever you need clamped. These clamping hubs have a 5/16" bore, four 6-32 tapped holes, one 6-32 machine screw for tightening, and utilizes the 0.77" hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks...

Clamping Hub - 5mm Bore
Price: $14.43
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Availability: Stocked-NoBackOrder
Sparkfun Item #: ROB-12361 -

These clamping hubs are a great and cost-effective choice when attaching hub mount gears or wheels to shafts or tubes and can be a better option than set screw hubs if you don't want to risk damaging whatever you need clamped. These clamping hubs have a 5mm bore, four 6-32 tapped holes, one 6-32 machine screw for tightening, and utilizes the 0.77" hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to...

Hub Adapter - 1.50" to 0.77"
Price: $11.25
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Availability: Out of Stock
Sparkfun Item #: 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. These adapters are ideal for mounting two different hub patterns: mating hubs to gears, sprockets, or wheels. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two...

Hub Mount - Quad (Mount A)
Price: $10.57
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Availability: Out of Stock
Sparkfun Item #: ROB-12353 -

These quad hub mounts can attach to brackets, ServoBlocks, or anything that needs a 90 degree angle with additional attachment points for Actobotics project. These hub mounts have a width of 1”, a thickness of 0.25”, a 0.50” bore, and utilize the 0.77” hub pattern. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively...

Hub Mount - Quad (Mount C)
Price: $10.99
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Availability: Out of Stock
Sparkfun Item #: ROB-12222 -

These quad hub mounts can attach to the end or the middle of Actobotics channels to provide you a 90 degree angle with additional attachment points for Actobotics project. Additionally these hub mounts can be coupled with precision gearmotors for additional mounting possibilities These hub mounts have a width of 1.32”, a thickness of 0.34”, a 0.50” bore, and utilize both the 0.77” and 1.5" hub patterns. Actobotics is a robotics building system based around extruded aluminum channels, gears,...

Hub Mount - Quad (Mount E)
Price: $10.99
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Availability: Out of Stock
Sparkfun Item #: ROB-12433 -

These quad hub mounts can attach to the end or the middle of Actobotics channels to provide you a 90 degree angle with additional attachment points for electromechanical projects. Additionally these hub mounts are equipped with a beveled spot fo a 1/4-20 hex nut, making this hub mount perfect for mounting cameras. These hub mounts have a width of 1.32”, a thickness of 0.25”, a 0.25” bore, and utilize the 0.77” hub pattern. Actobotics is a robotics building system based around extruded aluminum...

Round Screw Plate - 1/4"-20
Price: $8.45
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Availability: Out of Stock
Sparkfun Item #: ROB-12431 -

This screw plate gives you the ability to attach a 1/4-20 machine screw to Actobotics channels. It has 8 6-32 tapped holes around the edge, and a 1/4-20 tapped hole in the center. It utilizes the 0.77" hole pattern, so it easily attaches to most Actobotics products. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be intuitively...

Set Screw Hub - 1/4" Bore
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Price: $10.57
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Availability: Back Order
Sparkfun Item #: ROB-12488 -

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 1/4" bore. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns, nearly all Actobotics components can be...

Tube Clamp Hub - 5/8" Bore (90 Degree)
Price: $14.67
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Availability: Out of Stock
Sparkfun Item #: ROB-12220 -

This tube clamp allows you to secure two 5/8" bore tubes at 90 degrees. The tubes are held securely in place by set screws. Precision machined from 6061-T6 aluminum. these clamping hubs offer several advantages over set screw hubs. First, they do not damage the shaft which they are attached. Second, they offer more holding power in high torque applications. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to...

Universal Mounting Hub - 5mm Aluminum
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Price: $13.22
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Availability: Back Order
Sparkfun Item #: ROB-10006 -

The universal aluminum mounting hub allows you to mount custom wheels and mechanisms to 5 mm motor shafts. The hubs are sold in pairs. The set includes one Allen wrench and two 4-40 set screws for securing the hubs to motor shafts. Documents: Dimensional Drawing

Wheel Adapter - Hex (17mm, Pair)
Price: $18.34
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Availability: Out of Stock
Sparkfun Item #: ROB-12445 -

These wheel adaptors allow you to adapt 17mm hex drive wheels to our .770” hub pattern. The recessed .770” pattern allows you to run 6-32 socket head screws into any .770” hub or component that utilizes the .770” hub pattern. Each kit consists of two 2 aluminum mounts, 2 #8 washers, and 2 8-32 x 1/2” truss head screws. Actobotics is a robotics building system based around extruded aluminum channels, gears, precision shafts, and ball bearings. Thanks to the two standardized hole patterns,...