What Is Spot Welding?

Also known as resistance spot welding, spot welding is a welding process that involves the use of an electrical current to join two or more metal surfaces. It’s typically used to join sheet metal. As the respective metal surfaces heat … Read More

How to Remove a Rusted Screw or Bolt

Have you encountered a rusted screw or bolt? Because they are often made of iron alloys, including steel, it’s not uncommon for fasteners to rust. As oxidation breaks down the screw or bolt, a layer of reddish-brown rust will develop. … Read More

What Is an Insert Nut?

Not all nuts feature a traditional hexagonal shape. While hexagonal nuts are popular because they are easier to turn — and therefore install — than other shapes, but that doesn’t mean all nuts are hexagonal. Insert nuts, for example, feature … Read More

Copper vs Aluminum Wiring: Which Is Best?

Copper and aluminum are two of the most common materials used in the construction of electrical wiring. Both metals are conductive, so electricity encounters little or no resistance when traveling through them. Aside form being conductive, though, copper and aluminum … Read More

How Does a Lathe Work?

Lathes are an essential machining tool used in the manufacturing industry. Among other things, they support cutting, knurling, facing and turning operations. With origins dating back to Ancient Egypt, they are regarded as one of the oldest machining tools. So, … Read More

Comparing the Different Types of Machine Presses

Also known as a forming press, a machine press is a heavy-duty industrial machine that uses pressure to resize or reshape a workpiece. It’s operated a worker, known as a toolsetter, who’s responsible for securing the workpiece in place and … Read More

6 Facts About Laser Engraving

From jewelry and keychains to cutting boards and clothes, countless products support laser engraving. As the name suggests, laser engraving involves the use of lasers to engrave the surface with a custom design. It doesn’t require ink, paint or pigments. … Read More