ALUMINUM DIAMOND PLATEAluminum diamond plate, sometimes called aluminum tread plate, aluminum floor plate, or aluminum checker plate, is available in 6061-T6 and 3003-H14 sizes. The 6061-T6 alloy has a dull mill finish and is harder and more durable, and the 3003-H14 has shiny bright finish, and is softer and more formable. Aluminum tread plate is commonly seen on fire trucks and truck toolboxes.
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