4mm 5mm 6mm Galvanized Steel B7 B7M White Black Zinc Plating Wave Spring Washer DIN137
| 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 |
Wave spring washers are essential fasteners used between bolt, screw, or nut supporting surfaces and connected parts. They protect connected surfaces, prevent fastener loosening, and serve various specialized purposes.
- Flat washers (Class A, C, chamfered type)
- High strength washers for steel structures
- Spherical and conical washers
- Standard, light, and heavy spring washers
- Internal/external tooth lock washers
- Single/double ear stop washers
- Round nut stop washers
The lock washer consists of two washers with radial convex outer surfaces and beveled inner tooth surfaces. When assembled, the inner surfaces face each other while the outer surfaces remain engaged with contact surfaces. This design prevents loosening under vibration by allowing only relative dislocation between the inner surfaces, creating lifting tension for secure locking.
| Material | Properties |
|---|---|
| Aluminum | Excellent thermal/electrical conductivity but soft; requires careful processing |
| Titanium | Requires EDM machining with deionized water medium |
| Steel | Very strong; generates heat during processing |
| Brass | High tensile strength; requires slow cutting speed |
| Industry | Use Case |
|---|---|
| Automotive | High-strength applications in engines and heavy-duty machinery |
| Mechanical | Connecting mechanical parts, circuit boards, and transmissions |
| Energy | Connecting power generation equipment and transmission lines |
| Construction | Building structures, shipbuilding, and petrochemical equipment |
- Non-metal washers: Polymer materials for sealing and shock absorption
- Metal washers: High strength and corrosion resistance for heavy-duty applications
- Composite washers: Combine metal and non-metal advantages for versatile use
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