Premium Coil Spring Washer Manufacturer, Supplier & Exporter

Coil Spring Washers are resilient locking washers designed to prevent loosening of bolted joints due to vibration and dynamic loads. Commonly used in automotive, machinery, and construction applications, they are available in stainless steel, carbon steel, and alloy steel, conforming to DIN and ISO standards.
M3–M36
Diameter
5–50 mm
Length
DIN • ISO
Standards
SS • Carbon Steel • Alloy Steel
Materials

Overview

About Coil Spring Washer

A Coil Spring Washer is a specialized fastener component designed to provide tension and absorb shock in bolted assemblies. Its helical shape allows it to exert a continuous force between the fastener head and the substrate, preventing loosening caused by vibration or thermal expansion. Manufactured through precision stamping and coiling processes, the Coil Spring Washer is typically made from high-grade spring steel or stainless steel, ensuring durability and resistance to deformation under load. The design incorporates a split in the washer’s ring, which creates a spring effect that maintains tension and enhances joint integrity. This fastener is essential in applications where maintaining bolt preload is critical, such as in automotive, aerospace, and heavy machinery industries. The Coil Spring Washer’s ability to compensate for material settling and thermal cycling makes it a reliable choice for dynamic environments requiring consistent performance over time.

In addition to its tensioning capabilities, the Coil Spring Washer offers excellent corrosion resistance when produced from stainless steel or coated materials, extending the lifespan of assemblies exposed to harsh conditions. Its compact design allows for easy integration into existing fastening systems without requiring significant modifications. The Coil Spring Washer is widely used in mechanical assemblies, electrical equipment, and structural applications where vibration resistance and load distribution are paramount. By maintaining consistent pressure on the fastener, it reduces the risk of joint failure and enhances overall safety and reliability. The combination of robust materials, precise manufacturing, and functional design makes the Coil Spring Washer a critical component in ensuring the longevity and stability of bolted connections across various industrial sectors.

Coil Spring Washer Quick Specifications

Product Type Coil Spring Washer
Head Style Helical Coil
Manufacturing Process Cold Formed and Heat Treated
Thread Type Not Applicable
Common Materials Spring Steel, Stainless Steel
Available Sizes M2 to M24 (Metric), #4 to 1″ (Imperial)
Strength Features High Tensile Strength, Excellent Elasticity
Typical Applications Vibration Resistance, Load Distribution, Fastener Locking
Surface Finishes Plain, Zinc Plated, Phosphate Coated
Standards DIN 127, ISO 7089
Customization Custom Sizes, Materials, Threads & Surface Finishes Available

Why Choose Coil Spring Washer from a Trusted Supplier

Choose our Coil Spring Washer for precision-engineered fastening support, dependable load retention, and reliable performance in demanding industrial assemblies. As a trusted Manufacturer, Supplier, Exporter, and Stockist of Industrial Fasteners, we offer high quality production, strict quality control, custom sizes, bulk supply, competitive pricing, and worldwide shipping.

Vibration Resistance

Effectively prevents bolt loosening caused by vibration and dynamic forces in assemblies.

High Elasticity

Provides consistent spring tension to maintain joint integrity over time.

Corrosion Resistance

Available in stainless steel and coated finishes for enhanced durability in harsh environments.

Wide Size Range

Offers a broad diameter range to suit diverse fastening requirements.

Easy Installation

Simple to fit with standard bolts and nuts without special tools.

Cost-Effective Solution

Reduces maintenance costs by minimizing fastener failures and downtime.

Available Material Grades for Coil Spring Washer in Industrial Applications

Coil Spring Washers are commonly manufactured from stainless steel for corrosion resistance, carbon steel for general use, and alloy steel for high-strength applications. These materials provide excellent elasticity, wear resistance, and temperature tolerance, ensuring reliable performance in automotive, industrial, and construction environments.

Global Engineering Compliance and Quality Standards for Coil Spring Washer

Coil Spring Washers conform to international standards such as DIN 127 and ISO 13918, which specify dimensions, mechanical properties, and testing methods to ensure consistent quality and interchangeability across global markets.

Coil Spring Washer Dimensions, Technical Specifications & Material Details

Coil Spring Washer technical data covers standard dimensions, nominal sizes, inner and outer diameter ranges, thickness, materials, grades, surface finishes, and applicable engineering standards. This section helps engineers, contractors, procurement teams, fabricators, and designers evaluate load distribution, vibration resistance, installation compatibility, and long-term fastening performance in mechanical, structural, and industrial assemblies.

Technical Specifications

Product TypeLocking Washer
Thread TypeCompatible with Metric Threads
Diameter RangeM3 to M36
Length Range5 to 50 mm
Available MaterialsStainless Steel, Carbon Steel, Alloy Steel
Manufacturing StandardsDIN 127, ISO 13918
Surface FinishPlain, Zinc Plated, Phosphate Coated

Dimensions

Diameter (mm)Outer Diameter (mm)Thickness (mm)
M36.40.5
M6121.6
M12242.5
M24484.0

Engineering Applications for Coil Spring Washer Manufacturer Supplier & Exporter

Coil Spring Washer Manufacturer Supplier & Exporter products are used in machinery assemblies, automotive systems, railways, construction equipment, and heavy engineering projects where vibration resistance and secure fastening are critical. These washers help maintain bolt tension, improve load distribution, and support structural integrity under dynamic conditions. Their high strength, dimensional accuracy, corrosion resistance, and long service life make them ideal for demanding industrial fastening applications.
In automotive applications, coil spring washers prevent loosening of critical fasteners subjected to engine vibrations and road shocks, ensuring safety and performance over vehicle lifespan.
Used extensively in heavy machinery, these washers maintain bolt tension under heavy loads and vibrations, reducing maintenance and downtime in industrial operations.
Coil spring washers secure electrical connections and components, preventing loosening due to thermal expansion and mechanical vibrations in electrical assemblies.
In construction, they provide reliable fastening in structural joints exposed to dynamic forces and environmental changes, enhancing structural integrity and safety.

Why Choose Coil Spring Washer from a Trusted Supplier

Choose our Coil Spring Washer for precision-engineered fastening support, dependable load retention, and reliable performance in demanding industrial assemblies. As a trusted Manufacturer, Supplier, Exporter, and Stockist of Industrial Fasteners, we offer high quality production, strict quality control, custom sizes, bulk supply, competitive pricing, and worldwide shipping.

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Contact RealBolt for competitive pricing, expert technical assistance, stock availability, and custom manufacturing options tailored to your project requirements. Ensure reliable fastening with our high-quality Coil Spring Washers.

Coil Spring Washer FAQs: Common Questions & Technical Guidance

Coil Spring Washer FAQs answer common questions about materials, sizes, applications, standards, surface finishes, installation, performance, and product selection. This section provides practical product information to help users understand key specifications, proper usage, and important factors for reliable fastening performance.
Coil Spring Washers are typically made from stainless steel, carbon steel, and alloy steel. Stainless steel offers excellent corrosion resistance, carbon steel provides cost-effective strength for general applications, and alloy steel is used for high-strength requirements. Material choice depends on environmental conditions and mechanical demands of the application.
Coil Spring Washers conform primarily to DIN 127 and ISO 13918 standards. These standards define dimensions, mechanical properties, and testing methods to ensure consistent quality and interchangeability. Compliance guarantees reliable performance in various industrial applications worldwide.
The helical shape of Coil Spring Washers provides spring tension that maintains bolt preload by compensating for vibration, thermal expansion, and relaxation. This tension creates friction between the fastener and substrate, preventing loosening and enhancing joint reliability in dynamic environments.
Coil Spring Washers are available in a wide range of diameters from M3 to M36, with thicknesses varying according to size and application requirements. This range accommodates diverse fastening needs across automotive, industrial, and construction sectors.

Industrial Cities We Serve:

  • Ahmedabad
  • Aurangabad
  • Bengaluru
  • Chennai
  • Coimbatore
  • Faridabad
  • Gandhidham
  • Greater Noida
  • Gurugram
  • Hazira
  • Hosur
  • Hyderabad
  • Jamnagar
  • Jamshedpur
  • Ludhiana
  • Mumbai
  • Mundra
  • Mysuru
  • Nagpur
  • Nashik
  • Navi Mumbai
  • Noida
  • Pune
  • Rajkot
  • Sanand
  • Surat
  • Thane
  • Tiruppur
  • Vadodara
  • Visakhapatnam

Countries We Export To:

  • US
  • Canada
  • Mexico
  • Germany
  • UK
  • France
  • Italy
  • Spain
  • Netherlands
  • Belgium
  • Poland
  • Sweden
  • Norway
  • Denmark
  • Turkey
  • UAE
  • Saudi Arabia
  • Qatar
  • Oman
  • Kuwait
  • Bahrain
  • South Africa
  • Egypt
  • Nigeria
  • Australia
  • New Zealand
  • Singapore
  • Malaysia
  • Indonesia
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  • South Korea
  • Japan
  • Brazil