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        Alibaba.com offers 625 4mm aluminium rod products. About 7% of these are aluminum bars, 6% are welding wires, and 4% are welding rods. 

A wide variety of 4mm aluminium rod options are available to you, such as t3 - t8, o - h112. You can also choose from cold drawn. As well as from round, square, and hexagonal. And whether 4mm aluminium rod is 6000 series, 1000 series, or 5000 series. 

There are 832 4mm aluminium rod suppliers, mainly located in Asia. The top supplying countries or regions are United States, China, and India, which supply 1%, 98%, and 1% of 4mm aluminium rod respectively. 

mm aluminium rod products are most popular in United States, United Kingdom, and Canada.