Critical Safety and Function Without Compromise.
When installed correctly, Wedge Washer provides a physical locking mechanism that maintains clamp load and joint tension, even under vibration and dynamic loading.
Friction-Based Solutions Fall Short
How Wedge Washer Gets It Right
Wedge Washers are supplied as a pre-glued pair, installing as a single washer. The adhesive ensures correct orientation and ease of installation, with no technical function once fitted.
Each washer has a hardened, serrated outer face that bites into the bolt head, nut, and mating surfaces. The inner faces feature angled cams that interlock, with cam angles steeper than the thread pitch.
Once tightened, any loosening force must act through the cam faces. Under vibration or dynamic loading, this creates the wedge effect, increasing clamp load rather than reducing it.
The joint can only be released by deliberate untightening, forcing the cams over one another. No re-tightening is required, reducing maintenance and providing long-term confidence in the joint.
*Image above showcases that angle ‘A’ is bigger than ‘B’
Heavy-duty Robust Quality
Kee Safety takes Quality extremely seriously and is in control of its supply chain with our own employees. The nature of our products means that Quality control is essential when being used on critical bolted joints. The products are used across many industries, so it is important we comply to many standards of which a few are listed below. We are adding to these all of the time so please ask us for details if you need any further information.
Versatile Bolt Locking for Every Industry
Wedge Washer delivers proven, physical locking performance across a vast range of demanding sectors. Engineered to maintain clamp load under extreme vibration, corrosion, and temperature conditions, our DIN 25201-certified solution provides peace of mind and reduced maintenance wherever critical bolted joints are at stake.
Explore the full range of applications below and discover how Wedge Washer secures your industry today.
Manufacturing & Heavy Industry
Wedge Washer excels in Manufacturing & Heavy Industry, securing machinery against constant vibration. Examples: factory automation, conveyors, presses, mining equipment, construction gear, and steel fabrication—ensuring reliable bolted joints with minimal maintenance.
Oil & Gas, Marine & Offshore
Oil & Gas, Marine & Offshore demand corrosion-resistant locking in harsh settings. Wedge Washer fits offshore platforms, pipelines, pumps, valves, heat exchangers, desalination, and chemical/acidic environments—preventing loosening in seawater or aggressive conditions.
Aerospace, Energy & Nuclear
Aerospace, Energy & Nuclear require high-temp, vibration-proof solutions for safety. Wedge Washer suits gas turbines, turbochargers, aerospace components, power systems, and nuclear facilities up to 700°C—maintaining clamp load in critical joints.
