SmartBolts Promote Safety for Plastic Manufacturers

Plastic is everywhere, and for good reason. It’s a durable and inexpensive material that can be manufactured into almost any part imaginable. But before it ends up in our consumer products, plastics must be molded into shape.

bolts on an offshore wind turbine

5 Causes of Loose Bolts – and 5 Ways to Prevent Them

A pressurized bolted flange joint assembly begins to leak, creating a safety hazard. A rotor with its blades separates from the nacelle and spins off a wind turbine, crashing to the ground. Under constant vibration from the engine of an ocean freighter, loose bolts on a large piece of mining equipment work their way off […]

slinky toy over stretched

What is Proof Load of a Bolt and How is it Different from Yield Strength?

Your SmartBolts shipment has arrived, along with a Certificate of Compliance, which lists your SmartBolt specifications including bolt dimensions, grade and finish, as well as proof load, and other important information. In this article, we will explain in simple terms the meaning of proof load and why it’s important to know the proof load when […]

What is the Nut Factor and How Does it Affect Torque?

When you tighten a bolt in a bolted joint, you use a twisting force, called torque. Torque is related to bolt tightness, but many additional factors – such as friction – combined into a single “nut factor” can have a significant impact on the relationship of torque to the tightness of the bolted joint. Here’s […]

Liberation from the Impact of Lubricants on Torque Readings

From the dawn of civilization, lubricants have helped make it easier to slide objects past one another. Olive oil helped ancient Egyptians maneuver massive stone blocks into pyramids, and later melted animal fats greased chariot wheels. Up until the 1970s, oil from sperm whales was used to grease automobile transmissions. Today, a wide variety of […]

Rethink Bolting: What Does a SmartBolt Do that a Double-Headed Bolt Can’t?

Double-headed bolts function by “twisting off” an auxiliary hex head once a designated torque has been reached. It is a method that indirectly attempts to indicate bolt tension. However, due to its reliance on torque, this system has several disadvantages when compared with the SmartBolts® Visual Indication System™. Are you using double-headed bolts in an […]

Torque is Not Always Tight

Using Torque to Measure Clamp Force — An Inconvenient Truth

The traditional method for tightening fasteners is to turn the bolt head or nut using a torque wrench. While the tool may be very accurate, measuring torque only measures how difficult it is to turn the bolt. Measuring rotational force provides little information about what is actually holding your critical joints together – these are […]

Tightening SmartBolts |

The Value of Inspecting Bolts Visually

Inspecting your bolts is an important job. Secure bolted joints have a direct impact on the reliability, performance and safety of your operations. However, physical bolt inspection can also be a labor-intensive and time-consuming activity. Our customers have reported that visual bolt inspections offer cost-savings and performance benefits compared to traditional maintenance methods which require […]

What Are Your Bolts Not Telling You?

Most bolts are lazy. A machined piece of steel can’t do much on its own. A bolt doesn’t tighten itself, and it won’t tell you if it becomes loose. What else is your bolt not telling you?   Bolts have complex and shifting relationships with their surroundings. Every day, in thousands of applications, clamp forces […]

torque is rotational force, tension is stretching force

Torque vs Tension

Should you be using torque or tension to tighten your bolts? Our graphic shows you the answer!