M5 M8 Black Zinc Plated Aluminum 6061 6063 Countersunk Washer
Product Specifications
| Attribute | Value |
| Name | Metal Washer |
| Standard | DIN, ASME, ANSI, ISO |
| Material | Steel, Stainless steel, Brass, Copper, Titanium Alloy, Plastic |
| Place of Origin | China |
| Finish | Polish, Passivation, Black, Galvanization |
| Certificate | ISO9001:2008, ROHS |
Product Description
Washers are essential fasteners used between the supporting surface of bolts, screws or nuts and connected parts. They protect surfaces, prevent loosening, and serve various specialized purposes.
Washer Types
- Flat washers (Class A, C, chamfered type)
- High strength washers for steel structure
- Spherical and conical washers
- I-steel and channel steel square inclined washers
- Standard, light, and heavy spring washers
- Internal/external tooth lock washers
- Single/double ear stop washers
- Round nut stop washers
Key Features
Spring washers provide low-cost, easy installation solutions for frequent assembly/disassembly applications. Flat washers increase contact area and disperse pressure. Our washers are heat-treated to HRC44-51 hardness with oxidized surfaces.
Applications
| Industry | Use Case |
| Automotive | High-strength applications in engines and heavy-duty components |
| Mechanical | Connecting mechanical parts, circuit boards, and transmissions |
| Energy | Power generation equipment and transmission line connections |
| Construction | Building structures, shipbuilding, and petrochemical equipment |
Material Specifications
| Material | Properties |
| Aluminum | Excellent thermal/electrical conductivity, lightweight but requires careful processing |
| Titanium | Requires EDM machining with deionized water medium |
| Steel | High strength, generates heat during machining |
| Brass | High tensile strength, requires slow cutting speeds |
Advantages
- Non-metal washers: Excellent sealing and shock absorption
- Metal washers: High strength and corrosion resistance
- Composite washers: Combine benefits of metal and non-metal materials
Aluminum Characteristics
- Good electrical/thermal conductivity
- 100% recyclable
- Highly ductile and formable
- Non-magnetic properties
- Lightweight (2.7 g/cm³ density)
- Excellent corrosion resistance
Product Images
Frequently Asked Questions
Q: Are you trading company or manufacturer?
A: We are factory and OEM are available.
Q: How long is your delivery time?
A: Generally it is 7-10 days if the goods are in stock, or 15-20 days if not in stock (depending on quantity).
Q: Do you provide samples? Is it free or extra?
A: Yes, we offer free samples but customers pay for freight costs.
Q: What are your payment terms?
A: 30% T/T in advance, balance before shipment or L/C.
For any other questions, please feel free to contact us.
