What Is a Countersunk Screw?

Featuring exterior helical ridges, screws are among the world’s most commonly used fasteners. The exterior ridges, or threading, allow screws to remove material from the object or surface in which they are inserted. As you drive a screw into a … Read More

Why Some Screws Have a Partially Threaded Shank

Consisting of a head, shank and tip, screws are one of the world’s most commonly used fasteners. Like bolts, they are designed to connect multiple objects or surfaces together. When comparing the different types of screws, though, you may notice … Read More

How JIS Screws Differ From Phillips Head Screws

Not all screws use a traditional Phillips head. While Phillips screws are the most common, there are other types of screws used in the manufacturing of products, including JIS. An initialism for Japanese Industrial Standard, JIS screws are commonly used … Read More

What Is a Cotter Pin?

It’s not uncommon for bolts to loosen over time. If a bolt is attached to a machine, for instance, the vibrations produced by the machine may cause it to come out. There are ways to secure bolts in place, however, … Read More

Why Nails Are the Preferred Fastener in Construction

Nails and screws are the two most common types of fasteners. As you may know, the main difference between them is that the nails have a smooth shaft, whereas screws have a threaded shaft. The presence of exterior threading allows … Read More

Galvanized vs Zinc-Plated Screws: Which Is Best?

Screws are often plated with zinc or galvanized to protect against corrosion. Technically speaking, galvanized screws feature a protective zinc shell as well. Because of the similarities between them, many people assume that galvanized screws and zinc-plated screws are the … Read More

What Is Thread-Locking Fluid?

Have you ever installed a fastener, such as a bolt or screw, only for it to wiggle its way out? Even if it doesn’t happen immediately, fasteners can and will loosen over time. This is especially true in applications involving … Read More