- Country of manufactureUkraine
Are intended for fixing of details on metal-cutting machines, and also during the control and razmetochny works. Are made two executions:
1. The center persistent with the tempered working cone. It is made of high-quality tool steel, the working cone is tempered to hardness 59... 63 HRCE.
2. The center persistent with a working cone from a firm alloy of the BK8 brand.