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About product and suppliers:
        Alibaba.com offers 2,785 self tapping machine screw products. About 73% of these are screws. 

A wide variety of self tapping machine screw options are available to you, such as free samples, paid samples. 

There are 2,777 self tapping machine screw suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 94%, 5%, and 1% of self tapping machine screw respectively. 

Self tapping machine screw products are most popular in North America, Domestic Market, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 2,103 with ISO9001, 332 with ISO14001, and 264 with Other certification.
        
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