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About product and suppliers:
        Alibaba.com offers 1,598 wafer head self drilling screws products. About 90% of these are screws, 1% are bolts, and 1% are self-drilling screws. 

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

There are 1,515 wafer head self drilling screws suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 94%, 3%, and 1% of wafer head self drilling screws respectively. 

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

You can ensure product safety by selecting from certified suppliers, including 541 with ISO9001, 36 with ISO14001, and 25 with Other certification.