Ability to achieve diameters, ranging from 10 to 60 mm.
Made from cemented steel - 16MnCr5, 17Cr3 EN10084-2000; 20X, 18ХГТ, 12ХН3А ГОСТ4543-71 . Final polishing is achieved by precise unfocused rotation and active control machines, made by “Cincinnati-Milacron” USA. All requirements of stoutness, roughness and accuracy in form and size are regarded to and guaranteed according to standards ISO 18669-1 or РД 37.001.629-93 upon customer's specific request.