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About product and suppliers:
        Alibaba.com offers 10,965 hollow screw products. About 8% of these are screws, 1% are drywall screws. 

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

There are 10,965 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 3,394 with ISO9001, 1,540 with Other, and 618 with ISO14001 certification.