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About product and suppliers:
        Alibaba.com offers 69,704 black zinc hardware products. About 21% of these are screws, 4% are springs, and 4% are locks. 

A wide variety of black zinc hardware options are available to you, such as door & window handles, bath hardware sets, and door closers. You can also choose from furniture, industrial, and door. As well as from steel, zinc, and aluminum. And whether black zinc hardware is free samples, or paid samples. 

There are 69,704 black zinc hardware suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of black zinc hardware respectively. 

Black zinc hardware products are most popular in North America, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 19,471 with ISO9001, 5,944 with Other, and 2,303 with ISO14001 certification.