Flange bolts have a circular edge underneath the head that acts like a washer to distribute loads. Conventional, non-serrated flange bolts are also known as frame bolts. Flange bolts are used in automobiles to secure outer casings protecting engines and transmissions. In plumbing, they secure pipe finishes to be sure https://planetarygearbox21752.tkzblog.com/28119799/not-known-factual-statements-about-custom-nut