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Ball Bearing Hub
Price: $12.79
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Availability: Out of Stock
Sparkfun Item #: 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. 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...

Clamping Hub - 1" Bore (Flat)
Price: $27.43
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Availability: Out of Stock
Sparkfun Item #: ROB-12099 -

These flat aluminum clamping hubs are perfect for heavy duty applications that need shafting or tubing 1" in diameter secured safely. These clamping hubs have a 1" bore, an outer diameter of 1.967", four 1/4-20 tapped holes, four 1/4" through-holes, and one 1/4-20 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...

Clamping Hub - 1" Bore (Threaded)
Price: $10.96
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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 - 1" Bore (Un-Threaded)
Price: $10.96
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Availability: Out of Stock
Sparkfun Item #: ROB-12114 -

These un-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 through-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 - 1/2" Bore
Price: $14.62
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Availability: Out of Stock
Sparkfun Item #: ROB-12214 -

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 1/2" 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 - 1/4" Bore
Price: $14.62
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Availability: Out of Stock
Sparkfun Item #: ROB-12238 -

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 1/4" 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 - 1/8" Bore
Price: $14.62
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Availability: Out of Stock
Sparkfun Item #: ROB-12304 -

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 1/8" 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 - 3/16" Bore
Price: $14.62
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Availability: Out of Stock
Sparkfun Item #: ROB-12513 -

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 3/16" 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 - 3/8" Bore
Price: $14.62
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Availability: Out of Stock
Sparkfun Item #: ROB-12352 -

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 3/8" 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 - 3mm Bore
Price: $14.62
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Availability: Out of Stock
Sparkfun Item #: ROB-12319 -

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 3mm 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...

Clamping Hub - 5/16" Bore
Price: $14.62
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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...

Clamping Hub - 6mm Bore
Price: $14.62
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Availability: Out of Stock
Sparkfun Item #: ROB-12264 -

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 6mm 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...

Clamping Hub - 90 Degree (5/8" Bore)
Price: $16.45
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Availability: Out of Stock
Sparkfun Item #: ROB-12249 -

These 90° clamping hubs provide a great way to attach a 5/8” diameter tube or shaft to a 1/2" diameter hub. These clamping hubs have a 5/8" diameter bore for shaft connection, a 1/2" diameter bore for hub connection, four 6-32 tapped holes, four 6-32 through-holes, two 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 the two standardized...

Hub - Quad D Mount (90 Degree)
Price: $10.96
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Availability: Out of Stock
Sparkfun Item #: ROB-12349 -

Quad hub mounts attach to the inside of a channel at a 90 degree angle providing you with additional attachment points for the open top of a channel. These mounts have a width of 1.32”, a thickness of 0.25”, a 0.50” bore bearing, 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 connected...

Hub - Set Screw (3mm Bore)
Price: $12.79
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Availability: Out of Stock
Sparkfun Item #: ROB-12104 -

These set screw hubs make it capable to connect a micro gearmotor with a 3mm bore to a precision disk wheel or other object with a 0.77" hub pattern that needs to be rotated. These hubs have an outer diameter of 1", a bore of 3mm, a 6-32 set screw, 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 the two standardized hole patterns, nearly all Actobotics components can be...

Hub Adapter - 0.625" to 0.77"
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12167 -

This hub adapter lets you connect Actobotics parts with a 0.77" hub pattern to parts with a 0.625" hub pattern. The holes for the 0.77" pattern are un-tapped whereas the holes for the 0.625" pattern are 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 standardized hole patterns,...

Hub Adapter - 0.77" to 0.77"
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12372 -

This hub adapter lets you connect Actobotics parts with a 0.77" hub pattern to parts with a 0.77" hub pattern. The hole alternate between tapped and untapped, which makes mating two components easy. 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 standardized hole patterns, nearly all...

Hub Adapter - 1.50" to 0.77"
Price: $11.22
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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 Adapter - 1.50" to 1.50"
Price: $8.42
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Availability: Out of Stock
Sparkfun Item #: ROB-12129 -

This hub adapter lets you connect Actobotics parts with a 1.5" hub pattern to parts with a 1.5" hub pattern. The hole alternate between tapped and untapped, which makes mating two components easy. 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 standardized hole patterns, nearly all...

Hub Arm - Double (6")
Price: $23.77
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Availability: Out of Stock
Sparkfun Item #: ROB-12413 -

These aluminum double servo hub arms can bolt directly to the aluminum hub on servo power gearboxes via four 6-32 x 3/8" machine screws. Each double hub arm has a length of 6” 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 the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes...

Hub Arm - Single (3")
Price: $20.11
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Availability: Out of Stock
Sparkfun Item #: ROB-12519 -

These aluminum single servo hub arms can bolt directly to the aluminum hub on servo power gearboxes via four 6-32 x 3/8" machine screws. Each double hub arm has a length of 3” 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 the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together. The wide range of components makes...

Hub Mount - 45 Degrees
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12188 -

These 45 degree hub mounts mate directly to Actobotics channels in multiple positions and are useful as attachment points for shafts and tubes with a 0.5" diameter. Each hub mount has two 0.5" bores 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 connected together. The wide range of...

Hub Mount - 90 Degrees
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12102 -

These 90 degree hub mounts mate directly to Actobotics channels in multiple positions and are useful as attachment points for shafts and tubes with a 0.5" diameter. Each hub mount has two 0.5" bores 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 connected together. The wide range of...

Hub Mount - Quad (Mount A)
Price: $10.53
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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 B)
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12255 -

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. These hub mounts have a width of 1.32”, 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...

Hub Mount - Quad (Mount C)
Price: $10.96
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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: $10.96
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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...

Hub Mount B - 90 Degree
Price: $9.47
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Availability: Out of Stock
Sparkfun Item #: ROB-12450 -

These hub mounts mate directly to Actobotics channels in multiple positions and are useful as attachment points for shafts and tubes with a 0.5" diameter and other hub mountable items. Each hub mount has a 0.5" bore 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 the two standardized hole patterns, nearly all Actobotics components can be intuitively connected together....

Hub Mount C - 90 Degree
Price: $9.47
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Availability: Out of Stock
Sparkfun Item #: ROB-12390 -

These hub mounts mate directly to Actobotics channels in multiple positions and are useful as attachment points for shafts and tubes with a 0.5" diameter and other hub mountable items. The model C type offers a wider base than the model B. Each hub mount has a 0.5" bore, a width of 1.3", 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 the two standardized hole patterns,...

Hub Spacer - 1"
Price: $4.20
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Availability: Out of Stock
Sparkfun Item #: ROB-12421 -

These 1/2" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 1" thick. 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 connected together. The wide range of components makes...

Hub Spacer - 1/2"
Price: $3.35
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Availability: Out of Stock
Sparkfun Item #: ROB-12149 -

These 1/2" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 1/2" thick. 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 connected together. The wide range of components makes...

Hub Spacer - 1/4"
Price: $2.51
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Availability: Out of Stock
Sparkfun Item #: ROB-12159 -

These 1/2" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 1/4" thick. 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 connected together. The wide range of components makes...

Hub Spacer - 1/8"
Price: $2.08
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Availability: Out of Stock
Sparkfun Item #: ROB-12284 -

These 1/2" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 1/8" thick. 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 connected together. The wide range of components makes...

Hub Spacer - 1/8" (Solid)
Price: $3.14
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Availability: Out of Stock
Sparkfun Item #: ROB-12345 -

This spacer allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. Unlike the other hub spacers, this one does not have a 1/2" bore. The center hole is designed for use with 6-32" screws. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 1/8" thick. 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...

Hub Spacer - 3/4"
Price: $3.77
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Availability: Out of Stock
Sparkfun Item #: ROB-12298 -

These 1/2" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 3/4" thick. 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 connected together. The wide range of components makes...

Hub Spacer - 3/8"
Price: $2.93
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Availability: Out of Stock
Sparkfun Item #: ROB-12401 -

These 1/2" bore hub spacers allow you to space your sprocket, gear, wheel, or other attachment from the mating hub. These hubs utilize the 0.77" hole pattern common throughout Actobotics. This spacer is 3/8" thick. 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 connected together. The wide range of components makes...

PVC Clamp Mount - 1.315"
Price: $13.40
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Availability: Out of Stock
Sparkfun Item #: ROB-12591 -

This PVC clamp mount has a 1.315" bore, providing an easy way to incorporate standard 1" PVC pipe into your next project. A set screw secures the pipe while 2 6-32 tapped holes provide attachment points to additional parts. 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 connected together. The wide range of components...

Round Screw Plate - 1/4"-20
Price: $8.42
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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 - 1/2" Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12494 -

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 1/2" 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...

Set Screw Hub - 1/4" Bore
OOD!
Price: $10.53
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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...

Set Screw Hub - 1/8" Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12108 -

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 1/8" 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...

Set Screw Hub - 3/16" Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12411 -

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 3/16" 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...

Set Screw Hub - 3/8" Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12306 -

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 3/8" 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...

Set Screw Hub - 3mm Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: 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. 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...

Set Screw Hub - 4mm Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12157 -

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 4mm 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...

Set Screw Hub - 5/16" Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12196 -

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 5/16" 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...

Set Screw Hub - 5mm Bore
Price: $10.53
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Availability: Out of Stock
Sparkfun Item #: ROB-12404 -

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 5mm 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...