The experts

Nord-Lock Group engineers answer your questions about bolting technologies.

Bolting Tips What Is the Relationship Between Torque, Preload and Friction? One of the main methods to preload a bolt is to apply a torque on its head. This is a very common process in the industry, however it is not easy to control accurately. Read more

Bolting Tips What Is the Difference Between a Straight Pin and Expander System? Pivot pins are located on cylinder rod ends and between moving mechanical parts. But what how does Expander System work differently from a traditional pivot pin? Read more

Latest insights from the world of bolting

Knowledge The Holy Grail of Jackbolt Tensioning Since the launch of the Superbolt Multi-Jackbolt Tensioner (MJT) in 1984, efforts have been made to constantly improve efficiency. Read more

Knowledge Get Smart: The Future of Industrial Automation Is Here Connected machines, components, and systems are creating intelligent networks that can control each other autonomously. How do we adapt in the manufacturing industry? Read more

More than 10 years of Bolted

Browse our archive for previous issues from 2009 to today:

BOLTED: A Magazine about Bolted Technologies Read Nord-Lock Group’s biannual magazine covering secure bolting, industry insight and engineering challenges. Available in ten languages online or in print. Read more

Bolted - The Obvious Business Case For Sustainability #1-2022 Heavy industries and the role of circularity, plus remote preload monitoring with internet connected bolts and more. Read more

Bolted BOLTED: A Magazine about Bolted Technologies Read Nord-Lock Group’s biannual magazine covering secure bolting, industry insight and engineering challenges. Available in ten languages online or in print. Read more

Bolted Bolted - A Magazine About Bolting Technologies Bolted magazine strives to increase knowledge about bolt assemblies and engineering topics. Published two times a year, read online or subscribe print version for free. Read more

Green Steel #1-2020 The production of steel is one of the world’s major polluters. With the ever-sharper focus on the climate crisis and sustainability, things had to change. Read more

Extreme Temperatures #2-2019. Let's examine how extreme temperatures can affect the metallic materials used to build common applications. Read more

Get Smart #1-2019. The future of industrial automation is here. Let's look into the future on how technology changes everything we do. Read more

Why Do Bolts Loosen? #2-2019. Bolts are the fastener of choice in multiple industries and applications. We dive deep into the question of bolt loosening. Read more

The Making of Bolts #1-2018. From raw steel to tailor-made applications, let's take a closer look at what goes into the manufacturing process of traditional bolts. View PDF

Issue 2 - 2017 The end of lug wear: Get to know the innovative pilot technology that eliminated play View PDF

Issue 1 - 2017 Hydraulic torquing vs. tensioning View PDF

Issue 2 - 2016 Coupling challenges: Arguably the most demanding of all bolting applications View PDF

Issue 1 - 2016 Thread standards: Crucial but often overlooked View PDF

Issue 2 - 2015 Problem solving: Bolting failure analysis gets to the root cause View PDF

Issue 1 - 2015 Science friction: Solving the problem of resistance in bolting View PDF

Issue 2 - 2014 Aluminium: The miracle metal View PDF

Issue 1 - 2014 Ten tips for bolting: Get the knowledge from the experts View PDF

Issue 2 - 2013 The destructive effects of corrosion View PDf

Issue 1 - 2013 The dangers of relaxation: How to ensure tight bolted joints View PDF

Issue 2 - 2012 The bolt evolution: From lifting water to lifting spaceships View PDF

Issue 1 - 2012 A perfect match: Superbolt joins Nord-Lock Group View PDF

Issue 2 - 2011 Fastener quality: More than meets the eye View PDF

Issue 1 - 2011 The precious washer: Keeping costs down View PDF

Issue 2 - 2010 Tightening: A tricky business View PDF

Issue 1 - 2010 Coatings for all occasions View PDF

Issue 1 - 2009 Size matters: Choosing the right bolt View PDF