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About product and suppliers:
        Alibaba.com offers 2,808 self tapping screw machine products. About 73% of these are screws, 5% are drilling machines, and 4% are other metal & metallurgy machinery. 

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

There are 2,799 self tapping screw machine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 94%, 4%, and 1% of self tapping screw machine respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 2,100 with ISO9001, 332 with ISO14001, and 291 with Other certification.