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About product and suppliers:
        Alibaba.com offers 1,643 serrated flat bar products. About 89% of these are metal building materials, 5% are flat steel. 

A wide variety of serrated flat bar options are available to you, such as aisi, gb. You can also choose from free samples, paid samples. 

There are 1,643 serrated flat bar suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of serrated flat bar respectively. 

Serrated flat bar products are most popular in Southeast Asia, Domestic Market, and South Asia. 

You can ensure product safety by selecting from certified suppliers, including 542 with ISO9001, 213 with ISO14001, and 110 with Other certification.