40 series T-slot aluminum profiles that width 40mm, widely used in light structure, such as workbench, equipment frame, fence, equipment cover, climbing ladder, belt line and so on. Generally, the load-bearing table is not large, the height of the fence is low, and the area of the equipment cover is small. The 80 series T-slot aluminum profiles, that is, the width of 80mm, belong to large specification materials, which are mostly used for large aluminum alloy frame structures with high load requirements, such as used to make equipment columns and skeletons.
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