FIELD: mechanical engineering. SUBSTANCE: invention is aimed at surface strengthening of tools. Prior to deposition of layers of coat additional metal interlayer of zirconium is deposited on surface of cutting tool. This increases working wear-resistance of tool due to provision of high adhesion between tool material and coat. EFFECT: 1.5-2.0 times increased wear-resistance of tools with proposed coats as compared with known methods. 1 tbl
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