Utilizing a regular thread as our illustration, let’s look at the anatomy of screw threads. Screw thread terminology is similar to what’s utilized for screw terminology. Slotted hex washer heads are utilized often on some pieces of equipment and programs as a number of resources may be used to tighten/loosen. https://elliottoppmj.activoblog.com/29886105/a-secret-weapon-for-types-of-screw-heads-square