M3 Brass Plain Washer – Precision Brass Flat Washers for Electronics and Industrial Fastening

At Nafees Metal Industries, we specialize in manufacturing high-precision washers tailored for demanding industrial and electronic applications. Our M3 brass plain washer is engineered to deliver optimal fastening performance in compact assemblies such as circuit boards, instrumentation panels, and miniaturized machinery components.

Crafted from high-grade brass, this washer ensures excellent load distribution, minimizes surface wear, and offers superior corrosion resistance. Ideal for applications requiring electrical conductivity, thermal stability, and mechanical strength, the M3 variant fits fasteners with a 3 mm diameter — making it a popular choice in small-scale yet high-precision environments.

As a trusted brass plain washers manufacturer in India, we provide consistent quality, competitive pricing, and customization options for industries seeking long-term fastening solutions. Whether you need a bulk supply or specialized coating, our products are built to meet global standards and delivered with care.

What Is an M3 Brass Plain Washer?

An M3 brass plain washer is a flat, circular disc made of premium brass material with a central hole designed to fit M3 screws or bolts — typically 3 mm in diameter. These washers are essential components in fastening systems, where their primary function is to evenly distribute the load of the fastener across a broader surface area. This prevents localized stress on the base material and helps protect delicate surfaces from damage or indentation.

The use of brass offers multiple advantages — including excellent corrosion resistance, non-magnetic properties, and high electrical conductivity — making these washers highly suitable for electronic, electrical, and precision mechanical applications.

Standard M3 brass plain washers are manufactured to comply with global dimensional norms like DIN 125 and IS 2016, ensuring compatibility and performance in various systems. They are commonly available in standard thicknesses ranging from 0.5 mm to 1.0 mm and can be further customized to specific tolerances and surface finishes such as plain, polished, or nickel-plated.

At Nafees Metal Industries, our expertise as an industrial brass washers supplier allows us to deliver finely finished washers that offer consistent dimensions, smooth edges, and optimal functionality — whether used in automated production lines or specialized equipment.

Why Choose Brass for M3 Washers?

Brass is a preferred material for manufacturing M3 washers due to its unique combination of mechanical strength, corrosion resistance, and electrical properties. When compared to other metals, brass offers superior performance in environments where conductivity, appearance, and non-sparking characteristics are critical.

Here’s why brass is an ideal material for M3 washers:

• Superior Corrosion Resistance: Brass resists tarnishing and corrosion, especially in dry and indoor environments, making it perfect for electrical and electronic applications.

• High Electrical Conductivity: Essential in PCB assemblies, battery terminals, and grounding systems where conductivity is vital.

• Thermal Stability: Maintains shape and structural integrity under high temperatures without softening or deforming.

• Non-Magnetic Properties: Ideal for sensitive electronic and instrumentation devices that require interference-free performance.

• Aesthetic Finish: Brass has a natural golden hue, making it suitable for exposed or visible fastenings where visual appeal matters.

• Easy Machinability: Allows precise manufacturing even at small sizes like M3 without compromising tolerances or finish.

• Environmentally Friendly: Brass is a recyclable material, aligning with sustainable manufacturing goals.

These properties make brass washers a logical choice for applications where quality and functionality cannot be compromised. As a leading brass plain washers manufacturer in India, Nafees Metal Industries ensures the use of certified brass materials, offering both functionality and longevity in every washer we produce.

How Are M3 Brass Plain Washers Manufactured?

At Nafees Metal Industries, the manufacturing of each M3 brass plain washer is a precision-driven process. We follow internationally accepted standards like IS 2016, DIN 125, and ISO 7089, ensuring each washer meets the dimensional and performance requirements expected in high-quality industrial applications.

Here’s a step-by-step overview of our manufacturing process:

1. Material Selection

We begin with high-purity, certified brass sheets that offer optimal mechanical properties, conductivity, and corrosion resistance. Only brass with verified composition and tensile strength is used.

2. Blanking / Punching

Using high-speed power press machines, washers are punched to the exact M3 dimensions — inner diameter (ID approx. 3.2 mm) and outer diameter (OD as per DIN standard). This ensures a perfect fit for M3 bolts and screws.

3. Deburring & Smoothing

Post punching, each washer undergoes deburring to remove sharp edges and achieve a smooth surface finish. This step is critical to avoid damage to adjacent surfaces or components during assembly.

4. Surface Treatment (Optional)

Based on the client’s needs, surface finishes like polishing, nickel plating, or anti-tarnish coatings are applied to improve corrosion resistance, appearance, or conductivity.

5. Inspection & Quality Control

Every batch is rigorously inspected for:

• Dimensional accuracy (ID, OD, and thickness)

• Concentricity and flatness

• Surface finish and burr-free edges

• Compliance with applicable standards

6. Packaging & Dispatch

Washers are packaged in custom options — polybags, corrugated boxes, or labeled cartons — as per client specifications. Bulk and export orders are packed with proper documentation and barcoding for traceability.

Thanks to our modern in-house setup in Mumbai, we maintain full control over each production stage, offering high-volume capacity with short lead times. As a trusted brass flat washers supplier, our commitment to consistency, quality, and on-time delivery makes us the preferred choice for OEMs and global buyers.

Key Features of M3 Brass Plain Washers

Our M3 brass plain washers are meticulously designed to meet the high-performance demands of electronics, automotive components, instrumentation, and precision fastening. Engineered with accuracy and manufactured from high-grade brass, these washers offer dependable performance in small-scale applications where stability, conductivity, and dimensional integrity are essential.

Here are the standout features of our M3 brass washers:

• Exact Fit for M3 Fasteners
  Designed to perfectly match M3 bolts and screws (3 mm diameter), ensuring seamless integration and fastening security.

• Excellent Load Distribution
  Reduces surface stress and prevents damage to delicate substrates like PCBs and panels.

• Non-Magnetic & Electrically Conductive
  Ideal for sensitive electronic applications that require electromagnetic neutrality and electrical conductivity.

• Corrosion-Resistant Brass Material
  Maintains surface integrity and mechanical strength in dry or indoor environments, extending service life.

• Burr-Free and Smooth Surface Finish
  Washers are polished and deburred to prevent scratches or abrasion to surrounding surfaces during installation.

• Custom Thickness & Coating Options
  Available in a range of thicknesses (0.5–1.0 mm standard) and optional surface treatments like nickel plating or bright polish.

• Compliance with Global Standards
  Manufactured as per DIN 125, IS 2016, and ISO 7089 standards for compatibility and precision.

• Bulk Packaging & Labelling
  Washers can be packed in client-specified quantities and packaging styles – suitable for retail or industrial bulk usage.

• 100% Made in India
  Proudly produced in our Mumbai facility using modern machinery and skilled manpower.

These features not only highlight the quality of our product but also reinforce our reputation as a reliable brass plain washers manufacturer in India. Whether you need washers for critical assembly lines or resale, our M3 brass plain washer ensures performance and reliability at every turn.

Technical Specifications

Our M3 brass plain washers are manufactured to exacting standards to ensure consistent fit, performance, and durability. Below is a detailed technical snapshot of the product, ideal for procurement teams, design engineers, and OEMs looking for precise components.

All technical data is supported by rigorous quality control and test reports. As an established brass washers manufacturer, we offer custom dimensions, coatings, and finishes to suit your specific design or procurement needs.

Applications of M3 Brass Plain Washers

The M3 brass plain washer is a versatile component used in precision fastening where both mechanical and electrical performance matter. Due to its small size, excellent conductivity, and corrosion resistance, it finds widespread use across industries requiring compact yet reliable fastening solutions.

Here are the most common application areas:

1. Electronics & PCB Assembly

Used beneath M3 screws to secure printed circuit boards, the washer distributes the load and prevents board cracking or trace damage, while also supporting grounding where required.

2. Automotive Electrical Systems

Helps secure modules, sensors, and wiring harnesses, particularly in connectors and assemblies that require non-magnetic, corrosion-resistant components.

3. Instrumentation and Measurement Devices

Ideal for small, sensitive mechanical assemblies that require precise load management and minimal magnetic interference.

4. Consumer Electronics

Used in the internal structure of gadgets like laptops, cameras, speakers, and more — where compactness and performance go hand in hand.

5. Electrical Panels and Switchgear

Supports secure connections for terminals and contact points, ensuring stable current flow and minimizing wear due to vibrations or heat.

6. Telecommunications Equipment

Utilized in RF shielding and grounding applications where signal interference must be avoided.

7. Medical Devices

Used in assembling compact diagnostic equipment where material purity and non-corrosiveness are critical.

8. Aerospace & Defense

Employed in compact assemblies requiring vibration damping, non-sparking features, and material reliability.

9. DIY & Maker Projects

Popular in small-scale electronics and robotics projects, especially among hobbyists, tinkerers, and students.

Due to their adaptability and performance, our M3 brass plain washers are not only used in traditional industrial setups but also in cutting-edge electronic products and research-based applications. As a reputable industrial brass washers supplier, we ensure that every washer delivers consistent functionality across varied environments.

Advantages of Using M3 Brass Plain Washers

Choosing the M3 brass plain washer offers multiple benefits over standard steel or plastic washers, especially when your application demands precision, conductivity, and corrosion resistance. Here’s a breakdown of the key advantages:

1. Enhanced Load Distribution

Even with its compact size, the washer efficiently spreads the force of a fastener over a broader surface area, reducing localized stress and preventing damage to delicate substrates.

2. Superior Electrical Conductivity

Brass is an excellent conductor, making these washers ideal for electrical grounding, signal transmission, and anti-static assembly environments.

3. Corrosion Resistance

Unlike mild steel washers, brass resists rust and tarnish, making it ideal for electronics, indoor mechanical parts, and terminals.

4. Non-Magnetic Nature

Its non-ferrous composition makes brass washers suitable for instrumentation and sensitive electronic devices where magnetic interference must be avoided.

5. Precision Fit for M3 Hardware

With an inner diameter tailored for M3 bolts and screws (approx. 3.2 mm), the washer ensures snug fitment in miniature assemblies.

6. Excellent Machinability

Brass allows for tight tolerances, resulting in consistent washer dimensions even in high-volume production.

7. Long-Lasting Performance

Brass does not degrade under most atmospheric conditions, ensuring lasting support in long-term applications.

8. Customizable Options

Available in polished, nickel-plated, or plain finish — with customizable thickness and dimensions upon request.

9. Aesthetic Appeal

Brass provides a premium golden finish, making it suitable for visible fastenings in luxury appliances or exposed panels.

10. Environmentally Friendly

Brass is a recyclable material, contributing to eco-friendly manufacturing and sustainability goals.

These advantages make our washers an ideal choice for customers who need performance without compromising on quality, finish, or reliability. As a dedicated brass plain washers manufacturer in India, we take pride in delivering washers that meet industry expectations and beyond.

Buy M3 Brass Plain Washers in Bulk – Best Brass Washers Manufacturer in India

Looking for reliable suppliers of M3 Brass Plain Washer for your industrial or electronic applications? At Nafees Metal Industries, we specialize in bulk manufacturing and supply of M3 Brass Plain Washers tailored for OEMs, distributors, and assembly units across India and beyond.

As a leading Brass Plain Washers Manufacturer, we understand the critical role precision components play in smooth assembly operations. That’s why our M3 Brass Plain Washer is crafted with meticulous attention to material quality, thickness control, and surface finish. Whether you’re assembling a PCB or an electrical enclosure, our washers ensure optimal load distribution and long-term durability.

We provide M3 Brass Plain Washers in various thicknesses, finishes (plain, polished, nickel-plated), and packaging formats. Our Mumbai-based production unit has a large inventory of brass flat washers ready for immediate dispatch, and we cater to both domestic and international orders with complete export-ready documentation.

Choose us to buy brass washers online or via B2B channels, and benefit from:

• Competitive pricing on all bulk quantities

• Flexible packaging as per your requirement

• Timely delivery with robust supply chain support

• Dedicated technical assistance for OEM design and fitment needs

• ISO-compliant quality assurance for every lot

Our clients range from industrial automation firms and electronics manufacturers to MRO suppliers and hardware exporters. We take pride in being recognized as one of the most trusted sources for industrial brass washers in India.

With growing demand for non-corrosive, conductive fastening solutions, the M3 Brass Plain Washer has become a core part of many critical assemblies. Partner with Nafees Metal Industries and experience fast delivery, consistent quality, and complete customization – all under one roof.

Case Study: Improving Product Reliability in Electronic Device Assembly

Client: A leading electronics manufacturer supplying to the home automation industry
Problem: Frequent circuit board failures due to surface damage and inconsistent fastener grounding
Location: Bengaluru, India

Background:

The client’s assembly line involved fastening M3 bolts directly onto sensitive PCBs. Over time, issues such as board cracking, grounding inconsistency, and screw loosening began affecting the reliability of the final product. Their engineering team needed a small-scale, conductive, and corrosion-resistant solution that could integrate seamlessly with their fasteners.

Solution:

After technical consultation with our team, they adopted the M3 Brass Plain Washer with a polished finish for improved conductivity and corrosion resistance. These washers were placed between the screw and PCB to serve both as a mechanical and electrical buffer.

Outcome:

• Reduction in PCB Surface Damage: 90% drop in post-assembly surface defects

• Improved Grounding Efficiency: Ensured consistent contact throughout the device’s life

• Faster Assembly Time: The smooth finish and perfect fit of the M3 Brass Plain Washer accelerated the torquing process

• Zero Failure Rate: No reported failures after 8 months of performance tracking

Client Feedback:

“Switching to brass washers from Nafees Metal Industries has significantly improved our production quality and reduced rework. Their technical support and on-time delivery made a huge difference.”

This case highlights how the right choice of a seemingly small component — like the M3 Brass Plain Washer — can deliver big gains in quality and efficiency. As a top-tier Brass Plain Washers Manufacturer, we’re proud to support innovation through precision fastening components.

Why Choose Nafees Metal Industries?

At Nafees Metal Industries, we are more than just a supplier — we are precision component partners for thousands of industries across India and the globe. When it comes to sourcing a dependable M3 Brass Plain Washer, clients consistently choose us for our quality, flexibility, and long-standing manufacturing expertise.

Here’s what sets us apart:

1. Washer Manufacturing Specialists

We focus exclusively on producing high-quality washers — including plain, spring, and disc variants — across multiple sizes and materials. This specialization enables us to deliver excellence in every unit of the M3 Brass Plain Washer.

2. Made in India, Trusted Worldwide

Our entire production is based in Mumbai, equipped with advanced presses, in-house deburring, and inspection setups. We proudly contribute to the Make in India initiative while adhering to international quality norms.

3. Custom Solutions for OEMs

Whether you need a specific surface finish, packaging, or dimensional tolerance, we tailor every order to your application. From Brass Flat Washers to specialized miniature sizes, we support every need.

4. Bulk Supply, Fast Delivery

We maintain bulk-ready stock of standard sizes like the M3 Brass Plain Washer, ensuring minimal lead time and reliable availability for industrial buyers and contract manufacturers.

5. Transparent Pricing, Long-Term Value

Our pricing is designed to be competitive while upholding premium quality. We focus on long-term relationships, not short-term margins.

6. Certified & Verified Quality

Every batch undergoes rigorous checks — from size and thickness tolerances to plating and finish inspections. Test certificates are provided upon request for B2B and export orders.

So, whether you’re looking to buy brass washers online or establish a steady supply for your assembly unit, Nafees Metal Industries is your dependable partner in quality, service, and reliability.

Frequently Asked Questions (FAQs) – M3 Brass Plain Washer

1. What is an M3 Brass Plain Washer used for?
An M3 Brass Plain Washer is used to evenly distribute load, prevent surface damage, and improve electrical conductivity in fastening applications involving M3 screws or bolts.

2. What are the standard dimensions of an M3 Brass Plain Washer?
The washer typically has an inner diameter of approximately 3.2 mm, an outer diameter as per DIN 125 / IS 2016, and a thickness between 0.5 mm and 1.0 mm.

3. Is the M3 Brass Plain Washer corrosion resistant?
Yes, brass offers natural corrosion resistance, making it suitable for indoor and low-humidity environments.

4. Can I use M3 Brass Plain Washers in PCB assemblies?
Absolutely. These washers are ideal for PCB and electronics applications due to their conductivity and non-magnetic properties.

5. Do you manufacture washers in other brass sizes too?
Yes. As a leading brass plain washers manufacturer, we offer a wide range of sizes from M2 to M36 and beyond, customizable as per client specifications.

6. Are these washers compliant with DIN standards?
Yes, our M3 Brass Plain Washer is manufactured as per DIN 125, IS 2016, and ISO 7089 standards.

7. Can I buy brass washers online in bulk from your website?
Yes, you can buy brass washers online through our platform or contact our sales team for B2B orders via www.nafeesmetalindustries.com.

8. Do you offer nickel-plated M3 Brass Plain Washers?
Yes, we provide surface finishes including plain, polished, and nickel-plated, based on your requirements.

9. Are test certificates provided with the order?
Yes, we offer test reports and quality certifications upon request with bulk orders.

10. What is the minimum order quantity (MOQ)?
MOQ varies depending on size and customization, but we accommodate both small batch and bulk orders.

11. Do you export M3 Brass Plain Washers internationally?
Yes, we are an export-ready industrial brass washers supplier with full documentation support.

12. Is customization possible in terms of packaging?
Yes, we offer polybags, labeled cartons, or bulk corrugated box packaging based on your preference.

13. What industries typically use the M3 Brass Plain Washer?
Industries like electronics, automotive, aerospace, medical devices, instrumentation, and telecom commonly use these washers.

14. Why choose brass over stainless steel?
Brass provides better electrical conductivity, is non-magnetic, and is aesthetically appealing for visible fastenings — making it a better choice in many electrical and light mechanical applications.

15. Why choose Nafees Metal Industries for M3 Brass Plain Washers?
With years of expertise, a modern manufacturing facility in Mumbai, and commitment to ISO standards, we deliver quality, consistency, and competitive pricing — making us one of India’s most trusted names in Brass Flat Washers and miniature fastening components.