Premium Brass Washers – Corrosion-Resistant & Durable | 100+ Sizes Available
Shop high-quality brass washers for industrial, electrical, and plumbing applications. Rust-free, durable, and precision-made for secure fastening. Available in 100+ sizes!
Premium Selection of Brass Flat Washers
Explore our extensive range of brass flat washers, designed for durability, corrosion resistance, and electrical conductivity. Choose from specialized options like cast brass washers (ideal for heavy-duty applications) and brass washers with graphite (enhanced lubrication for high-friction environments). Whether for industrial machinery, plumbing, or electronics, we offer solutions tailored to your needs.
Large Brass Washers: Sizes and Applications
Large brass washers are engineered to distribute load and prevent surface damage in oversized assemblies.
- Sizes: Available in diameters ranging from 25 mm to 150 mm (custom sizes upon request).
- Applications:
- Industrial Machinery: Used in engine mounts, hydraulic systems, and structural joints.
- Construction: Anchor bolts, steel beam connections, and HVAC systems.
- Marine: Corrosion-resistant fastening for boat fittings and deck hardware.
- Advantages: High tensile strength, thermal stability, and resistance to saltwater/chemical exposure.
Thick Brass Washer vs. Thin Brass Washers
| Feature | Thick Brass Washers | Thin Brass Washers |
|---|---|---|
| Thickness | 3–10 mm | 0.5–2 mm |
| Load Capacity | High-pressure applications (e.g., automotive suspensions) | Light-duty fastening (e.g., electronics, small appliances) |
| Flexibility | Rigid, minimal deformation | Flexible, conforms to uneven surfaces |
| Use Case | Heavy machinery, structural bolting | Electrical panels, precision equipment |
4. Brass Washer HSN Code
- HSN Code: 7415 (Copper/brass washers and similar articles under India’s GST system).
Suggested Searches: Copper， Brass， Bronze， Copper Nickel， Manganese， Aluminum
Brass Washer Applications: Industry-Specific Uses
Brass washers are highly valued and excel in a wide variety of sectors and applications, thanks to their unique properties that set them apart from other materials.
Automotive
- Engine Components: Cylinder head bolts, fuel injectors (heat resistance).
- Electrical Grounding: Battery terminals (conductivity).
Plumbing
- Pipe Flanges: Seals high-pressure water/gas lines (corrosion-proof).
Electronics
- Circuit Boards: Secures connectors (non-magnetic, prevents interference).
Brass Washer Material Composition
- Primary Alloy: CZ121/CW614N brass (CuZn39Pb3), composed of 60–65% copper, 34–39% zinc, and trace lead for machinability.
- Properties:
- Corrosion resistance (ideal for humid/marine environments).
- Non-sparking and non-magnetic (safe for explosive/electronic settings).
- Excellent thermal and electrical conductivity.
Browse our catalog for precision-engineered brass washers tailored to your project’s demands. Contact us for bulk pricing or custom specifications.
Brass Washer with Solid Lubricant: Enhanced Performance for Demanding Applications
Solid lubricants are integrated into brass washers to reduce friction, minimize wear, and extend service life in high-load or extreme environments. Common lubricants include:
- Graphite: Offers excellent thermal stability (up to 450°C) and conductivity, ideal for electrical and high-temperature applications.
- Molybdenum Disulfide (MoS₂): Excels in high-pressure scenarios (e.g., heavy machinery), providing a low shear strength layer.
- PTFE : Delivers chemical inertness and a low friction coefficient, suitable for food-grade or corrosive environments.
- Composite Coatings: Blends like graphite-PTFE combine conductivity with ultra-low friction.
Integration Methods:
- Embedded Lubricants: Lubricant particles are sintered into the brass matrix during manufacturing.
- Surface Coatings: Applied via electroplating, spray bonding, or mechanical pressing for direct contact protection.
Common Brass Washer Materials
Brass alloys are chosen for their balance of strength, machinability, and corrosion resistance. Key alloys include:
| Alloy | Composition | Properties |
|---|---|---|
| CZ121 | CuZn39Pb3 (60% Cu, 39% Zn, 1% Pb) | High machinability, good corrosion resistance. |
| CW614N | CuZn39Pb3 (similar to CZ121) | Leaded brass for easy fabrication. |
| ECO Brass | CuZn15 (85% Cu, 15% Zn) | Lead-free, compliant with RoHS/REACH. |
Why Brass?
- Corrosion Resistance: Performs well in water, chemicals, and marine environments.
- Non-Sparking: Critical for oil/gas, mining, and explosive atmospheres.
- Conductivity: Ideal for electrical grounding and electronics.
- Cost-Effective: More affordable than bronze or stainless steel while offering comparable performance.
