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12512 extrusion aluminum heat sink products are offered for sale by suppliers on Alibaba.com, of which aluminum profiles accounts for 73%, heat sinks accounts for 8%, and led profile light accounts for 1%. A wide variety of extrusion aluminum heat sink options are available to you, such as cutting, punching and decoiling.You can also choose from is alloy, non-alloy extrusion aluminum heat sink,as well as from t3-t8, t5/t6, and o-h112 extrusion aluminum heat sink, and whether extrusion aluminum heat sink is 6000 series, 1000 series, or 7000 series.