Premium Sealing Washer Manufacturer, Supplier & Exporter

Sealing Washers provide a reliable sealing solution to prevent leakage in bolted joints across automotive, plumbing, and industrial equipment. Available in materials like stainless steel, copper, and rubber, they comply with DIN and ISO standards for quality and performance.
M4–M36
Diameter
1–10 mm
Thickness
DIN • ISO
Standards
SS • Copper • Rubber
Materials

Overview

About Sealing Washer

Sealing washers are specialized fastener components designed to provide a secure and leak-proof seal between surfaces in various industrial applications. These washers are engineered to prevent fluid or gas leakage by creating a tight barrier when compressed under a bolt or screw head. Typically manufactured from high-quality materials such as stainless steel, rubber, or composite compounds, sealing washers combine durability with flexibility to withstand harsh environments. Their design often includes a bonded sealing element that enhances their ability to resist vibration, pressure, and temperature fluctuations, ensuring long-lasting performance. The precise manufacturing process ensures consistent dimensions and reliable sealing properties, making sealing washers essential in sectors like automotive, aerospace, plumbing, and machinery assembly where maintaining system integrity is critical.

The performance of sealing washers is characterized by their ability to maintain a robust seal under dynamic conditions, including exposure to chemicals, moisture, and mechanical stress. These washers are commonly used in applications requiring leak prevention around fasteners, such as hydraulic systems, fuel lines, and electronic enclosures. The combination of metal and elastomeric materials in sealing washers provides both mechanical strength and elasticity, allowing them to adapt to surface irregularities and thermal expansion. This adaptability reduces the risk of loosening and corrosion, thereby extending the lifespan of the assembly. By integrating sealing washers into fastening solutions, industries benefit from enhanced reliability, reduced maintenance needs, and improved safety in critical operations where sealing performance is paramount.

Sealing Washer Quick Specifications

Product Type Sealing Washer
Head Style Flat Circular Washer with Integrated Seal
Manufacturing Process Stamping and Molding
Thread Type Not Applicable
Common Materials Steel, Stainless Steel, Neoprene, Rubber, Nylon
Available Sizes M3 to M24 and Custom Sizes
Strength Features Corrosion Resistance, Compression Seal Integrity
Typical Applications Leak Prevention in Plumbing, Automotive, Electrical Assemblies
Surface Finishes Zinc Plating, Electro-Polishing, Black Oxide, Natural
Standards DIN 6797, ISO 7089, Custom Industry Standards
Customization Custom Sizes, Materials, Threads & Surface Finishes Available

Why Choose Sealing Washer from a Trusted Manufacturer

Choose our precision-engineered Sealing Washer for dependable leak prevention, dimensional accuracy, and reliable performance in demanding industrial assemblies. As a proven Manufacturer, Supplier, Exporter, and Stockist, we support bulk supply, custom sizes, competitive pricing, quality control, and worldwide shipping for EPC and OEM procurement.

Leak Prevention

Effectively seals joints to prevent fluid and gas leakage in critical applications.

Corrosion Resistance

Manufactured from materials resistant to rust and chemical exposure for long service life.

Temperature Tolerance

Suitable for high and low-temperature environments without degradation.

Vibration Resistance

Maintains seal integrity under mechanical vibrations and dynamic loads.

Versatile Sizes

Available in a wide range of diameters and thicknesses to fit various bolt sizes.

Easy Installation

Designed for quick and secure placement without special tools.

Material Options for Sealing Washer in High-Performance Industrial Applications

Sealing Washers are produced from stainless steel for corrosion resistance, copper for excellent thermal conductivity, and rubber for flexible sealing. These materials ensure durability, chemical resistance, and suitability for temperature extremes, meeting the demands of automotive, plumbing, and industrial sectors.

Global Engineering Compliance and Quality Standards for Sealing Washer

Sealing Washers conform to DIN and ISO standards, ensuring consistent quality, dimensional accuracy, and performance reliability across global markets. These standards guide material properties, dimensions, and testing methods for sealing effectiveness.

Sealing Washer Technical Specifications, Dimensions & Material Details

Sealing Washer technical data covers standard dimensions, outside and inside diameter ranges, thickness options, elastomer or bonded sealing materials, metal grades, surface finishes, and applicable manufacturing standards. This information helps engineers, contractors, procurement teams, fabricators, and designers select the right washer for sealing performance, load distribution, corrosion resistance, compatibility, and reliable installation.

Technical Specifications

Product TypeSealing Washer
Material TypesStainless Steel, Copper, Rubber
Diameter RangeM4 to M36
Thickness Range1 to 10 mm
Manufacturing StandardsDIN 125, ISO 7089, ISO 7090
Surface FinishPlain, Zinc Plated, Nickel Plated

Dimensions

Diameter (mm)Inner Diameter (mm)Outer Diameter (mm)Thickness (mm)
M44.591.5
M1212.5242.5
M2425444

Sealing Washer Manufacturer Supplier & Exporter for Leak-Proof Industrial Fastening

Sealing Washer Manufacturer Supplier & Exporter solutions are used in construction, oil & gas, petrochemical, automotive, power generation, and marine applications where joints must resist leakage, vibration, and pressure. These washers support reliable fastening, corrosion resistance, dimensional accuracy, and long service life in pipework, machinery, structural assemblies, and equipment exposed to demanding operating environments.
Sealing Washers are essential in automotive engines and fuel systems to prevent oil, coolant, and fuel leaks, enhancing engine efficiency and safety under high temperature and vibration conditions.
Used extensively in plumbing fixtures and pipe connections, sealing washers prevent water leakage and ensure long-lasting, watertight seals in residential and commercial plumbing systems.
In hydraulic machinery, sealing washers maintain fluid integrity under high pressure, preventing leaks that could lead to system failure or environmental hazards.
Sealing washers provide reliable sealing in heavy machinery and manufacturing equipment, protecting components from contamination and fluid loss, thereby improving operational reliability.

Why Choose Sealing Washer from a Trusted Manufacturer

Choose our precision-engineered Sealing Washer for dependable leak prevention, dimensional accuracy, and reliable performance in demanding industrial assemblies. As a proven Manufacturer, Supplier, Exporter, and Stockist, we support bulk supply, custom sizes, competitive pricing, quality control, and worldwide shipping for EPC and OEM procurement.

Looking for Premium Sealing Washer?

Contact RealBolt for competitive pricing, expert technical assistance, stock availability, and custom manufacturing services tailored to your sealing washer needs. Our team is ready to support your project from specification to delivery.

Sealing Washer FAQs: Common Questions and Expert Answers

Sealing Washer FAQs answer common questions about materials, sizes, applications, standards, surface finishes, installation, performance, and product selection. This section provides practical product information and technical guidance to help users understand sealing washer specifications, durability, compatibility, and best-use considerations for industrial fastening applications.
Sealing washers are commonly made from stainless steel, copper, and rubber. Stainless steel offers corrosion resistance and durability, copper provides excellent thermal conductivity and malleability, while rubber ensures flexible sealing properties. The choice depends on the application’s environmental conditions and sealing requirements.
Sealing washers typically conform to DIN 125, ISO 7089, and ISO 7090 standards. These standards specify dimensions, tolerances, and material properties to ensure consistent quality and reliable sealing performance across various industrial applications.
Sealing washers are used in automotive engines, plumbing systems, hydraulic machinery, and industrial equipment. They prevent fluid and gas leaks, maintain joint integrity under pressure and vibration, and are critical in applications requiring leak-proof fastening solutions.
Selecting the correct sealing washer size involves matching the washer’s inner diameter to the bolt or stud diameter and ensuring the outer diameter and thickness provide adequate sealing surface. Consider the application’s pressure, temperature, and material compatibility for optimal performance.

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
  • Thailand
  • Vietnam
  • South Korea
  • Japan
  • Brazil