Flat DiesFlat Dies Flat faces, standard in all our Power Hammers. Flat dies are some of the most popular and versatile Power Hammer dies on the market, fully hardened throughout, ensuring they are fully adaptable by grinding and customising without the loss of hardness. The Flat die is capable of many forging techniques such as upsetting, drawing, or flattening let alone, once you radius the edges, grind your own texture, or modify the face to name just a few