Sprockets are historically one of the most popular and cost effective ways to positively connect two or more pieces of equipment and are available in vast array of materials. While steel and stainless steel are the most popular, various thermoplastics, phenolic and teflon, are also available at increased costs. There is a correlating sprocket for every size chain made; whether they be for use on metric chains, British Standard or ANSI sizes. They come in rough stock bore (RSB), bored to size or "finished bore", taper-lock (TL), QD bushing type, and even with the Browning bushing.

Most are available in plate style (A) or with a hub on one side (B); with some having a hub on both sides commonly referred to as a "C" hub. Sprockets are available for use with single strand, double strand, triple, quadruple, and beyond with many available out of standard stock with added configurations as a special. Sprockets are used everywhere you look…in conveyors, agriculture equipment, bottling plants, bakeries, pulp & paper plants, utility plants, water treatment plants, gate openers, industrial machinery, motorcycles, gym equipment, and of course, the bicycle.

Another very popular compact method of coupling two shafts together is the chain coupling sprocket. The chain coupling utilizes two sprockets with the "points" ground off and hardened teeth which gives them the added torque capacity in excess of the amount that the shafting they are mounted on will allow. They are coupled by a double strand of chain and should always be used with a chain coupling cover.

Sprockets are also used in torque limiting applications. Two popular ones are the shear pin sprocket and torque limiter clutch, which is actually a flat sprocket (A plate) with ground faces used in conjunction with a bushing or bearing along with two friction discs. Sprockets have long been a favorite choice in the power transmission industry with many prestigious manufacturers contributing to the product offering such as Martin Sprocket & Gear, Dodge, Browning, UST, and Dalton, just to name a few.

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