10 pcs Black MALLEABLE CAST IRON FLOOR FLANGES 1/2" BSP. BSP Malleable Iron Floor Wall Flanges with 3 fixing holes. - Black Malleable Iron flanges are manufactured from cast iron alloy, which is mainly composed of iron, carbon and silicon, having a high strength, good toughness, plasticity (not brittle) and machinability, Casting results in a slightly rough/frosted surface for added character, and will paint/powder coat with ease.
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