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About product and suppliers:
        Alibaba.com offers 1,231 50mm deadbolt products. About 89% of these are locks. 

A wide variety of 50mm deadbolt options are available to you, such as door & window handles, other door & window accessories. You can also choose from free samples. 

There are 1,151 50mm deadbolt suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and Hong Kong, which supply 98%, 1%, and 1% of 50mm deadbolt respectively. 

0mm deadbolt products are most popular in North America, Mid East, and Africa. 

You can ensure product safety by selecting from certified suppliers, including 75 with ISO9001, 73 with Other certification.