Industrial-grade screws come in a very broad range of types because these simple little devices are used to fasten many kinds of materials in a variety of environments. At Mutual Screw & Supply, we understand that it can be difficult to determine the right products for your particular needs. That’s why we have put together a couple of basic reference guides covering the various screw types currently available in our inventory—just click the relevant links posted on this page. If you know what you want, then you can simply dive into our collection of machine screws, wood screws, drywall screws, and similar useful items we have listed in this section.