How to calculate the theory of steel thread?
Diameter * diameter *.00617*12 m * one package of roots = weight of a bundle.The number of threaded steel produced by different manufacturers is different.
Thread: a spirally curved, continuous raised part with a specified cross section on the surface of a cylinder or cone. According to its parent thread shape is divided into cylindrical and conical screw threads; according to their position in the matrix is divided into outer and inner thread, according to the section shape (teeth) divided into triangular thread, rectangular screw, trapezoidal thread, serrated thread and other special shape screw.
Calculation method: diameter * diameter *.00617*12 meters * one package of roots = a bundle of weight.
