Bolts and Screws. What are Bolts? What are Screws

Bolts and screws are commonly used fasteners to keep the machine parts together. There are many different types of bolts and screws – varying types of heads, threads and more. Different versions are used depending on the application requirement. Many times people misuse the terms "bolt" and "screw". Moreover, there are some bolts which are mistakenly called screws. Know what the difference is? Read this article. Also discussed here are different types of bolts and screws, common applications and more. Bolt, screw, thread, bolt-joint, threaded joint, nut, pan head, philips, phillister head, hexagonal head, unc, unf, slotted head, different screw types, various bolts, socket head.