Sprocket

 Industrial Sprockets usually have more engaging teeth than the gears that has one or two. 
In sprockets, there is no slippage of teeth. Whereas in gears, the teeth often touch and slip against each other.

There is also a variation in terms of the shape of teeth.Sprockets are used in many power transmission drive systems as a continuous drive mechanism that can accomodate large center distances. Sprockets can be made from many different materials including steel, stainless steel, plastic, nylon, bronze, aluminum and many more.
A sprocket's pitch is the distance between adjacent tooth centers as shown in the diagram.
The  outside diameter is measured from the tip of one tooth to the same point 180 degrees on the opposite tooth.

Gears and gears a comprehensive range of stock sprockets for British Standard chain up to two inch pitch. Other sizes of sprocket, including those to American Standard dimensions, are available on request. Special sprockets are also manufactured on request, in special materials or formats, normally to suit a specific applications in harsh or difficult drive situations, such as;

• Sprockets incorporating shafts
• Welded or detachable hubs
• Shear pin devices fitted
• Necklace sprockets made up of chain plates and individual tooth sections for turning large drums or tables.
• Combination sprockets (two or more sprockets combined having different pitch sizes and numbers of teeth).
• Sprockets in two or more sections, i.e. split sprockets or segmental sprockets. 
• Sprocket and Chain Compatibility 

Most drives have an uneven number of pitches in the chain and by using a driver sprocket with an odd number of teeth, uniform wear distribution over both chain and sprocket teeth is ensured. Even numbers of teeth for both the driver and the driven sprockets can be used, but wear distribution on both the sprocket teeth and chain is poor. 

Gears and gears a comprehensive range of stock sprockets for British Standard chain up to two inch pitch. Other sizes of sprocket, including those to American Standard dimensions, are available on request. Special sprockets are also manufactured on request, in special materials or formats, normally to suit a specific applications in harsh or difficult drive situations, such as;

• Sprockets incorporating shafts
• Welded or detachable hubs
• Shear pin devices fitted
• Necklace sprockets made up of chain plates and individual tooth sections for turning large drums or tables.
• Combination sprockets (two or more sprockets combined having different pitch sizes and numbers of teeth).
• Sprockets in two or more sections, i.e. split sprockets or segmental sprockets. 

Sprocket and Chain Compatibility

Most drives have an uneven number of pitches in the chain and by using a driver sprocket with an odd number of teeth, uniform wear distribution over both chain and sprocket teeth is ensured. Even numbers of teeth for both the driver and the driven sprockets can be used, but wear distribution on both the sprocket teeth and chain is poor.