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About product and suppliers:
        Alibaba.com offers 11,720 hollow screw products. About 8% of these are screws, 1% are steel pipes, and 1% are nuts. 

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

There are 11,720 hollow screw suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of hollow screw respectively. 

Hollow screw products are most popular in Domestic Market, Mid East, and Southeast Asia. 

You can ensure product safety by selecting from certified suppliers, including 3,548 with ISO9001, 1,745 with Other, and 597 with ISO14001 certification.