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About product and suppliers:
        Alibaba.com offers 2,548 self tapping machine screw products. About 72% 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 2,548 self tapping machine screw suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of self tapping machine screw respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,856 with ISO9001, 299 with ISO14001, and 237 with Other certification.