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About product and suppliers:
        Alibaba.com offers 26,913 roll thread screws products. About 4% of these are screws, 1% are tapping screws, and 1% are self-drilling screws. 

A wide variety of roll thread screws options are available to you, such as free samples, paid samples. 

There are 26,859 roll thread screws suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 99%, 1%, and 1% of roll thread screws respectively. 

Roll thread screws products are most popular in North America, Domestic Market, and Eastern Europe. 

You can ensure product safety by selecting from certified suppliers, including 12,893 with ISO9001, 1,520 with Other, and 1,504 with ISO14001 certification.