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About product and suppliers:
        Alibaba.com offers 2,913 self tapping screw machine products. About 76% of these are screws, 4% are drilling machines, and 3% 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 2,903 self tapping screw machine suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 93%, 5%, and 1% of self tapping screw machine respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 1,809 with ISO9001, 440 with ISO/TS16949, and 317 with Other certification.
        
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