A one-sided undercut differs from T-slot and dovetail cuts in that while the former create symmetrical shapes, a one-sided undercut does not. A one-sided undercut uses a special tool to cut sideways and make an additional cut that protrudes from the original undercut, much like the protr...
Because the opening is too small, the inner cavity is small and complicated, and it is almost impossible to clean the internal sand core. Clean, so we opened a square hole on the back of the product, welded it with a stainless steel square pl...