Method of producing a sintered cutting body comprising the steps of: providing a body of cermet or cemented carbide comprising carbon, and binder metal, providing a sintering device for sintering of said body, sintering said body in a sintering process by means of said sintering device, providing the sintering process with a time range A being a heating time range where temperature T is either constant or raising, providing a subsequent cooling time range B of said sintering process where temperature T in time range B is arranged to be constant or decreasing, providing an atmosphere comprising at least one inert gas at a pressure P, at least during a first part range B1 of the range B in order to provide decarburizing conditions, wherein the pressure P in the sintering device during time range B1 fulfils the condition 100 Pa ≤ P ≤ 15000 Pa, wherein at least during a time range B2, subsequent to time range B1, the partial pressure of binder metal is maintained higher for a side (10, 11) or part of a side by contacting a side (10, 11) or part of a side of the body, with a tray, thus achieving a sintered body provided with a side (10, 11) or part of a side of the body with binder metal capping, meaning a surface layer constituted of binder metal, and wherein the other part of the side or other sides of the body that have not been in contact with a tray, has/have been subjected to a lower partial pressure of binder metal such that binder metal is evaporated, by providing a total pressure P during time range B2 fulfilling the condition 0.01 Pa ≤ P ≤70 Pa and providing other part of a side or other sides with no binder metal capping directly after having performed the method. providing a body of cermet or cemented carbide comprising carbon, and binder metal, providing a sintering device for sintering of said body, sintering said body in a sintering process by means of said sintering device, providing the sintering process with a time range A being a heating time range where temperature T is either constant or raising, providing a subsequent cooling time range B of said sintering process where temperature T in time range B is arranged to be constant or decreasing, providing an atmosphere comprising at least one inert gas at a pressure P, at least during a first part range B1 of the range B in order to provide decarburizing conditions, wherein the pressure P in the sintering device during time range B1 fulfils the condition 100 Pa ≤ P ≤ 15000 Pa, wherein at least during a time range B2, subsequent to time range B1, the partial pressure of binder metal is maintained higher for a side (10, 11) or part of a side by contacting a side (10, 11) or part of a side of the body, with a tray, thus achieving a sintered body provided with a side (10, 11) or part of a side of the body with binder metal capping, meaning a surface layer constituted of binder metal, and wherein the other part of the side or other sides of the body that have not been in contact with a tray, has/have been subjected to a lower partial pressure of binder metal such that binder metal is evaporated, by providing a total pressure P during time range B2 fulfilling the condition 0.01 Pa ≤ P ≤70 Pa and providing other part of a side or other sides with no binder metal capping directly after having performed the method.