What Is a Ball Plunger?

Plungers are commonly used to position workpieces. Also known as a Spring-Loaded Device (SLD), they consist of a spring within a threaded body. While all plungers share this design, there are several different types, one of which is a ball … 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 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

What Is a Clevis Fastener?

When you think of fasteners, you’ll probably envision traditional types like screws and bolts. For centuries, screws and bolts have been used to join objects and surfaces. There are other types of fasteners available, however, one of which is the … Read More

How Does a Spring Pin Work?

Also known as a roll pin, a spring pin is a type of fastener that’s used to join two or more machine components. They are called “spring pins” because they contain a spring that expands upon insertion. What’s perplexing about … Read More

What is a Spring Plunger?

A spring plunger, also known as a spring-loaded device (SLD), is a small and narrow device that’s used for indexing and positioning of various components. Once installed, it  applies adequate pressure so the ball or nose remains positioned. To learn … Read More