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About product and suppliers:
        Alibaba.com offers 8,759 hex head self drilling screws products. About 91% of these are screws, 1% are washers. 

A wide variety of hex head self drilling screws options are available to you, such as free samples, paid samples. 

There are 8,816 hex head self drilling screws suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 93%, 5%, and 1% of hex head self drilling screws respectively. 

Hex head self drilling screws products are most popular in North America, Mid East, and South America. 

You can ensure product safety by selecting from certified suppliers, including 4,649 with ISO9001, 680 with ISO14001, and 220 with Other certification.