Countersunk vs Non-Countersunk Screw Heads: What’s the Difference?

With the exception of “grub screws,” all screws have a head. It’s the top part of a screw that contains a recess for a tool bit. Screws are installed by placing a tool bit into the head’s recess and turning … Read More

What Are the Different Types of Drive Recesses?

Screws and bolts are designed with a recess so that they can be driven into and out of workpieces. Found on the head, it consists of an indention in a specific shape. There are many different types of drive recesses … Read More

An Introduction to the Parts of a Bolt

Along with screws, bolts are one of the most common types of fasteners. They are used specifically to create a bolted joint. A bolt can be driven into two or more workpieces — or components — to hold them together. … Read More

An Introduction to Grommets and How They Work

From jeans and boots to cable housings and computers, grommets are found in many everyday products. Also known as eyelets, they are designed to fit inside of a precut hole. While you’ve probably used products containing a grommet, though, you … Read More

What Are Dowel Pins Made Of?

Consisting of straight and narrow solid rods, dowel pins are used in a plethora of manufacturing applications. They offer a simple and effective way to join two workpieces together. One end of the dowel pin is inserted into one of … Read More

What are the Parts of a Screw?

Screws are one of the world’s most common types of fasteners. Not to be confused with bolts, they are used to secure two or more surfaces together. As the screw drives through the surfaces, it “digs” out material via its … Read More

An Introduction to Eye Screws and How They Work

Screws are one of the world’s most popular and commonly used types of fasteners. Not to be confused with bolts, they feature a pointed tip with external threading. Screws are designed to fasten two or more surfaces through the removal … Read More