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About product and suppliers:
        Alibaba.com offers 10,794 flat countersunk products. About 72% of these are screws, 1% are magnetic materials. 

A wide variety of flat countersunk options are available to you, such as neodymium magnet, ndfeb magnet, and rare earth magnet. You can also choose from block, pot / cup shape, and cup shape. As well as from free samples, paid samples. 

There are 10,794 flat countersunk suppliers, mainly located in Asia. The top supplying country is China (Mainland), which supply 100% of flat countersunk respectively. 

Flat countersunk products are most popular in North America, South America, and Domestic Market. 

You can ensure product safety by selecting from certified suppliers, including 4,448 with ISO9001, 913 with ISO14001, and 409 with Other certification.