Nord-Lock M6 X Series Washer Delta | AIMS Industrial

The Nord-Lock X Series Standard Washer Metric Delta Protekt combines wedge-locking and spring-effect preload compensation for metric bolted joints exposed to vibration, thermal cycling and slackening — the highest-security option for multi-layer, gasketed or coated joint stacks.

Wind Energy and Renewables

• Metric tower flange and nacelle fastening subject to vibration and thermal cycling
• M6 to M20 renewable energy structural connections with composite or coated clamping surfaces
• Solar and wind energy mounting where settlement and relaxation under variable load are a concern

Rail, Mining and Heavy Industry

• Metric bolted drive and structural connections on rolling stock, conveyors and mining equipment
• Machine tool and production machinery joints involving plastic composites, coatings or soft metals
• Critical metric bolted assemblies where a single loosening event would cause production loss or injury

Automotive, Heavy Vehicle and Defence

• Engine, transmission and chassis fastening requiring vibration resistance and preload retention across thermal cycles
• Defence and heavy vehicle bolted joints with coatings and multi-layer stacks prone to slackening
• High-cycle disassembly and reassembly equipment requiring reusable locking washers

Building Services and Construction

• Metric structural connections with multiple clamped parts or painted surfaces
• Suspended services, seismic supports and vibration-isolation mounts requiring preload compensation
• Bridge and civil infrastructure metric bolting in high-cycle dynamic load environments

General Critical Fastening

• Plant and equipment MRO covering M6 to M20 — highest security locking across a wide size range
• Engineering teams specifying maximum locking performance for safety-critical metric joints