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About product and suppliers:
        Alibaba.com offers 51,143 worm gear products. About 20% of these are speed reducers, 5% are worm gears, and 2% are spur gears. 

A wide variety of worm gear options are available to you, such as stainless steel, steel, and plastic. You can also choose from nonstandard, standard. As well as from free samples, paid samples. 

There are 51,143 worm gear suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of worm gear respectively. 

Worm gear products are most popular in North America, Domestic Market, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 21,798 with ISO9001, 4,527 with ISO14001, and 4,451 with Other certification.