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In the paper is presented some consideration regarding the parameters that influence the cross sectional parameters of forming tap. It is taking into account the parameters that have a great influence on the ridges of the forming taps which determine the contour shape of the forming tap’s ridges, the radius of the ridge profile, and determination of the radial chamfer relief of the forming tap. Also are shown the influence of the correlation angle on ridge thread that determine the contact area between the top of the working ridge and of the part subjected to plastic deformation in order to avoid its cutting. Key-Words: formed taps, chamfer zone, plastic deformation, tap life. Received: June 3, 2020. Revised: August 20, 2020. Accepted: August 25, 2020. Published: August 27, 2020.

Study regarding the Establishment of Cross-sectional Parameters of Forming Taps