Gears/ Gearboxes

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US$1.36

This is a motor reduction gear with 43 teeth to 26 teeth.

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US$6.14

This product is a simple ratchet set. This small device uses a pawl to limit the motion of gear, allowing it to freely turn one direction, yet it stops it for the other. 

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US$2.72
Plastic Square Gear Brush Motor 3V
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US$4.19
This 310 sized Dc motor delivers a decent amount of torque for its size, with the gear reduction inside the acrylic casing. Great to be used in DIY projects or as a replacement of broken parts.
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US$1.39
This assortment of plastic gears contain a pair of three different sizes of matching 0.5mm modulus (M = reference of diameter / number of teeth). The gears have an inner diameter varying from 2, 2.5 to 3mm and an outer diameter varying from 10 to 18.5mm, amongst the kit. They are great to be used as replacement part for toys gears and “DIY” robotics.
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US$1.67
Plastic reduction gears with 0.5 modulus for rack drive DIY robotics and toy replacement parts. Diameters are 16.75 and 5.75 mm. Quantity: 5.
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US$0.83
Metal spindle gear made of 45 steel for model motors in DIY robotics and toy replacement parts. Specifications: Modulus: 0.6M. Spindle hole: 3.17mm tight match. Side hole: 1.5 mm. Thickness: about 7.5 mm. Material: #45 steel. Tooth surface width: about 4mm. Gear outer diameter: about 8.4mm. Quantity: 1.
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US$2.79
This is a 20 tooth steel gear with set screw for robotics motors and toy replacement parts. Gear Diameter: 11.0 mm. Motor Shaft Diameter: 5.0 mm. Quantity: 1.
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US$0.63
40 tooth 0.2 modulus and 9 tooth 0.25 modulus reduction gear. Diameter 8.25 and 2.25 mm. Quantity: 1.
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US$0.35
Made of nylon plastic, this gear mounts on a D-shaped motor shaft of 2.5mm diameter and allows you to drive other gears or geared shafts to transfer the rotational movement. Great as a replacement. Sold by the unit.
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US$1.39
Set of 5 different plastic gears for DIY robotics and toy replacement parts. Diameters: 25, 19, 11, 5.5, 5. Quantity: 5.
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US$0.69
This is a plastic eccentric wheel cam coupler for 2mm motor shafts. Useful for DIY robotics and toy replacement parts. Quantity: 1.
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US$3.59
This T junction coupler has an inner diameter of 2mm so 2mm shafts can be attached together making a solid frame for a small car chassis or frame or any robotic junction.
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US$3.91
Made from plastic, this worm gear will transform a rotational movement coming from a shaft into another shaft with 90 degrees of angle.
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US$3.91
This is a small pack of 15 assorted plastic gears. They make excellent replacement parts for your DIY projects, or they can be used in any of your application needs.
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