A TORQUED BOLT ISN'T ALWAYS A TIGHT BOLT.
Torque doesn't measure tension, it measures rotational force. The friction between the bolt head, threads, and mating surfaces absorbs most of what your wrench applies before it ever becomes clamp force.
Torque Applied
The wrench reaches the specified value.
85–90% Lost to Friction
Absorbed under the bolt head, in the threads, and between mating surfaces.
10–15% Becomes Bolt Stretch
Only a fraction of applied torque translates into useful tension and actual clamp force.
Torque tells you what was applied. Tension tells you what is holding the joint together.
MEASURE WHAT MATTERS
SmartBolts® are the original tension-indicating fastener designed to enhance safety, reliability, and efficiency in bolted joints.
The Visual Indication System™ shows bolt tension in real time, so your team can check critical connections faster, reduce uncertainty, and prevent loose bolts from becoming bigger problems.
years of engineering
and innovation
of SmartBolts® in
service globally
ISO 9001:2015
CERTIFIED
FAST, CLEAR, AND CONFIDENT
CRITICAL JOINT INSPECTIONS
Reduce Inspection Time
Visually verify bolt tension in seconds, no manual torque checks.
Increase Production
Minimise unplanned downtime and keep your equipment running.
Mitigate Risk
Identify tension loss early to prevent failures and safety incidents.
Eliminate Live Work
Verify bolt tension from a safe distance protecting your people.
ENGINEERED
FOR THE WORLD'S
MOST DEMANDING INDUSTRIES
TRUSTED WHERE FAILURE IS NOT AN OPTION.
"We were looking for a system where we could visually verify the tightness of the bolts. We want our customers to have complete confidence that our shiploader will operate reliably and safely.
The clear visual indication of a loss of tension is reassuring to workers and inspectors alike — and I was really happy to see the consistent results when we tested the heavy duty SmartBolts."
OUR CLIENTS
TELL US ABOUT YOUR APPLICATION.
Not sure which SmartBolts® you need? Share a few details and our team will help recommend the right solution.
No need to have every bolt specification ready. Send us what you know and we will help from there.
