304 what is the best tapping thread for stainless steel tapping?
Hand tapping, usually 30 oil can be.
A thread is a line consisting of a variety of lines. The most intuitive is the spiral section of a cylindrical or conical surface made of protruding parts with a specified cross section. 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 forms of thread, the main thread for connecting the triangle, rectangle, trapezoidal and serrated thread is mainly used for transmission;
1, tool steel cone; 2. Bore 5.2 mm bore. 3. metric thread big diameter minus pitch is aperture; 4, pig iron through hole not to refuel, Yin hole can add butter on tap (easy to chip out). Hand tapping, usually 30 oil can be. Or waste oil is also available.
According to the spiral direction into the left-hand thread and left-hand thread, with a right-hand thread; according to the number of the helical line is divided into single thread, double thread and multi thread; connection with multiple single transmission by using two or more lines; according to the size of teeth is divided into coarse thread and fine thread etc. by using the occasion, and different functions can be divided into threaded fasteners, pipe thread, thread, thread and other special transmission.
