TYPES OF SCREW HEADS SQUARE SECRETS

The trapezoidal thread is comparable into the acme thread, besides that the thread angle is 300. It really is produced in metric Proportions; that is why it is known as "metric lead screw" or "metric acme screw."The screw shaft is rotated by a stepper motor While using the aid of a beam coupling. The rotation in the screw shaft engages the linear m