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About product and suppliers:
        Alibaba.com offers 782 thru bolt products. About 13% of these are bolts, 3% are anchors, and 1% are screws. 

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

There are 772 thru bolt suppliers, mainly located in Asia. The top supplying countries are China (Mainland), India, and Taiwan, which supply 97%, 1%, and 1% of thru bolt respectively. 

Thru bolt products are most popular in Domestic Market, North America, and Western Europe. 

You can ensure product safety by selecting from certified suppliers, including 392 with ISO9001, 20 with Other, and 6 with ISO14001 certification.