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Manufacturing of a nut of all standard sizes in accordance with GOST 5918-73 (DIN 935) "procarved", "корончатая", from qualitative alloyed and высоколегированных steel marks (Item 35, Item 45, the Item 40Х, the Item 20х13, the Item 12х18н10т, the Item 14х17н2, the Item 20х23н18 and др) both with the core, and with small step of a carving. On request of the customer can be executed: 1) the Anticorrosive covering (a zinc covering with colour[...]