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About product and suppliers:
        Alibaba.com offers 24,632 self tapping screw products. About 85% of these are screws, 1% are obstetrics & gynecology equipments. 

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

There are 24,908 self tapping screw suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 96%, 2%, and 1% of self tapping screw respectively. 

Self tapping screw products are most popular in North America, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 11,327 with ISO9001, 2,022 with ISO14001, and 1,458 with Other certification.