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About product and suppliers:
        Alibaba.com offers 1,000 hollow hex bolt products. About 58% of these are bolts, 2% are anchors, and 1% are nuts. 

A wide variety of hollow hex bolt options are available to you, such as free samples. 

There are 1,010 hollow hex bolt suppliers, mainly located in Asia. The top supplying countries are China (Mainland), Taiwan, and India, which supply 95%, 2%, and 1% of hollow hex bolt respectively. 

Hollow hex bolt products are most popular in North America, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 593 with ISO9001, 236 with ISO14001, and 146 with Other certification.