General description The 10Pcs 1/2" Floor Flange is a versatile threaded flange made from industrial malleable cast iron, designed for various applications in plumbing, furniture, and DIY decor. With a vintage wall mount bracket style, these flanges are perfect for creating unique industrial crafts and home decorations. Technical specifications Size: 1/2" BSP Center hole diameter: 20mm Number of bolt holes: 3 Material: Iron, carbon, and silicon alloy Thread type: National Pipe Taper Thread (NPT) Usage Connecting pipes on floors or walls Creating shelves and pipe furniture Building drying racks and lighting fixtures Designing any industrial craft decor