Securing & Anti-Loosening Elements: Ensuring Maximum Reliability in Safety-Critical Assemblies

 

Securing & Anti-Loosening Elements: Ensuring Maximum Reliability in Safety-Critical Assemblies

In safety-critical assemblies, unintended fastener loosening is not an option. Loss of clamp force due to vibration, dynamic loads, or thermal cycling can result in severe operational failure and costly damage.

At Bossard, we provide advanced self-locking and anti-loosening solutions engineered to maintain clamp force integrity - even under the most demanding conditions.

Securing and anti-loosening elements are specially designed to prevent the failure of threaded connections. Through friction, mechanical locking, tension-based locking, or chemical bonding, these elements ensure long-term joint reliability across industries.

How Anti-Loosening Mechanisms Work

Self-locking fasteners maintain joint integrity through the following operating principles:

  • Securing through friction - Increasing resistance between mating threads
  • Securing through mechanical locking - Physical locking mechanisms preventing rotation
  • Securing through tension - Utilizing preload and wedge principles to maintain clamp force
  • Adhesive bonding - Chemical locking compounds for additional security

Selecting the correct mechanism depends on vibration levels, load conditions, surface sensitivity, conductivity requirements, and maintenance accessibility.

Our Securing & Anti-Loosening Brand Partners

ecosyn®SEF - Self-Locking Nut

ecosyn® SEF Self-locking nut with integrated conical spring washer and large contact surface. Ideal for electrically conductive connections and assemblies requiring consistent preload.

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ecosyn SEF - Self-Locking Nut

FASTEKS® PRECISKO – High-Precision Locknuts

FASTEKS® PRECISKO High-precision locknuts with maximum axial runout accuracy. Engineered for spindle, shaft, and axle applications requiring the highest level of security.

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FASTEKS PRECISKO - High- Precision Locknuts

NORD-LOCK® – Wedge Lock Washers

NORD-LOCK® Maximum joint security by utilizing tension instead of friction. Highly resistant to vibration and dynamic loads.

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Nord-Lock - Wedge Lock Washers

Schnorr® – Ribbed Lock Washers

Schnorr® Disc spring and bolt locking systems designed for high-load applications. Provides reliable locking under strong forces and heavy loads.

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Schnorr - Ribbed Lock Washers

Spiralock® – Self-Locking Thread Technology

Spiralock® Innovative thread form technology that delivers superior resistance to loosening. Available as flange nuts, taps, inserts, gauges, and thread milling cutters.

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Spiralock - Self-Locking Thread Technology

VERBUS RIPP® – Locking Screws & Nut

VERBUS RIPP® High-strength fasteners with special locking ribs. Ensures secure joints even on sensitive or coated surfaces.

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WERBUS RIPP - Locking Screws & Nut

Key Application Areas

Our securing and anti-loosening solutions are widely used in:

  • Automotive & EV platforms - Chassis, powertrain, battery systems
  • Railway & infrastructure - Track systems, structural assemblies
  • Industrial machinery - Rotating equipment, spindles, heavy-load frames
  • Renewable energy - Wind turbines and dynamic structures
  • Medical devices - Precision assemblies requiring high reliability
  • Electronics & conductive assemblies - Grounding and electrical contact points
  • Construction equipment - High vibration and shock environments

Finding the Right Anti-Loosening Strategy

There is no universal solution. The optimal choice depends on:

  • Vibration intensity
  • Dynamic load profiles
  • Surface material sensitivity
  • Conductivity requirements
  • Maintenance accessibility
  • Regulatory and safety compliance

At Bossard, we combine product expertise, engineering know-how, and global supply capability to help you identify the most effective and cost-efficient solution for your application.

Secure your assemblies with confidence. Connect with our fastening experts today to identify the optimal anti-loosening solution for your application and ensure long-term operational reliability.

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