The trapezoidal thread is analogous to the acme thread, besides which the thread angle is three hundred. It truly is created in metric Proportions; that is why it really is generally known as "metric lead screw" or "metric acme screw." In artillery projectiles, anything at all that screws to the https://types-of-decking85115.blogzet.com/fascination-about-lead-screw-thread-type-44192423