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About product and suppliers:
        Alibaba.com offers 2,522 self tapping machine screw products. About 72% of these are screws, 1% are machining, and 1% are tapping screws. 

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

There are 2,522 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 Domestic Market, North America, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 1,750 with ISO9001, 252 with ISO14001, and 209 with Other certification.