1. W>99.95% sheet /plate 2. Ground / unground rolled surface 3.Thickness:0.05-100. ... , steel, petrol, mining, mechanical, alloying, electronic, spaceflight, avigation,, nuclear. Medical, and so on.Application toolsMining tools, for example, micro drill drawing ... dies for metal wires and rods sealing rings, bushes, rollers, and other wear parts. Notes 1.The specific size is ...