Comparison of the Effects of Vegetable Oils such as Castor and Canola Oil and Polyol Esters on the Metalworking Performance of AL 6061 and Al 7075 Metal Alloys by Tapping Torque Method. EPSTEM [Internet]. 2022 Dec. 31 [cited 2026 Mar. 22];21:248-57. Available from: https://epstem.net/index.php/epstem/article/view/497