wedge lock washer NL10 type

Description

1. Product Overview

The Wedge Lock Washer NL10 Type is a precision-engineered fastener security component designed to eliminate bolted joint failure caused by vibration and dynamic loads. Primarily used in industrial machinery, heavy equipment, and structural steel applications, it secures M10 metric bolt connections through Nord-Lock’s proven wedge-locking technology. Its key value proposition is preventing costly maintenance downtime, equipment damage, and safety hazards by maintaining constant tension on fasteners instead of relying on friction. Strategically important in the global industrial market, this washer addresses the critical challenge of bolt loososing in vibrating environments, making it essential for reliability-critical sourcing decisions across mining, construction, energy, and transportation sectors.

2. Key Specifications & Technical Characteristics

• Material Components: Steel (Material Standard: EN 1.7182), through-hardened

• Coating: Delta Protekt® KL100 zinc-flake base coat + VH 302 GZ top coat (corrosion-resistant)

• Purity/Grade: Entire quenching hardness ≥465HV1, bolt grades up to 12.9

• Physical Characteristics:

  • Inner diameter (øi): 10.7 mm

  • Outer diameter (øo): 16.6 mm

  • Thickness: 2.5 mm

  • Form: Flat washer with wedge profile

  • Color: Gray metallic (zinc-flake coating)

• Packaging Options: 200 pairs per pack/box (standard B2B bulk packaging)

• Shelf Life: Indefinite under proper storage (corrosion-resistant coating prevents degradation)

• Temperature Range: -50°C to 200°C

• Corrosion Resistance: Minimum 1,000 hours in salt spray test (ISO 9227)

3. Core Industrial Applications

• Primary Industries: Mining & quarrying, construction equipment, heavy rail, automotive manufacturing, wind power, agricultural machinery, shipbuilding, offshore energy, aviation, and bridge/building structural steel

• Specific Operational Use Cases:

  • Securing laterally loaded vibrating screw connections (e.g., mining excavators, conveyor systems)

  • Preventing self-turning in oscillation-prone assemblies (e.g., pneumatic tools, mixing systems)

  • Tapped holes, counterbores, through holes, stud bolts, and slotted large-hole applications

• Performance Advantages:

  • Eliminates vibration-induced loosening 10× more effectively than friction-based lock washers

  • Maintains joint tension without torque loss, reducing maintenance frequency by 60–80%

  • Superior durability in corrosive environments (1,000+ hour salt spray resistance)

4. Competitive Advantages

5. Commercial & Supply Information

• Minimum Order Quantity (MOQ): 1 box (200 pairs)

• BULK ORDER: 20MT (20 metric tons) available for large-scale projects

• Loading Capacity: ~1.2–1.5 MT per 20ft container (approximately 14–16 containers for 20MT bulk order)