Camila Shaw on Instagram: "Come and take a look! Presenting to you a thread milling cutter with even more meticulous details and a higher - definition machining view, allowing you to clearly understand its machining principle.In the field of precision machining, the thread milling cutter stands out with its unique technology. It abandons the traditional methods and adopts a helical milling path. The cutter makes a helical movement around the hole to be machined while rotating and cutting by itse

What was the black market at your school?