Over and over, acme threads are improperly often called trapezoidal threads. The trapezoidal thread follows the metric normal and it has a thread angle of thirty°. The exact requirements for trapezoidal threads are available less than DIN 103. Buttress thread Or utilize a dry film lubricant. Even bronze nuts with https://dominickbaywt.onesmablog.com/lead-screw-thread-type-can-be-fun-for-anyone-69696090