A flat washer is a thin, circular disk - shaped component with a hole in the center. It is typically made of metal, such as steel, stainless steel, or brass, although some washers may be made of plastic or other materials for specific applications. Here are its main features and uses:
Flat and smooth surface: The upper and lower surfaces of the flat washer are flat and smooth, which helps to evenly distribute the force when it is placed between two components. This prevents damage to the surfaces of the connected parts and ensures a more secure connection.
Uniform thickness: It has a relatively uniform thickness throughout the disk, providing consistent support and spacing. The thickness can vary depending on the specific requirements of the application, ranging from very thin washers for delicate electronics to thicker ones for heavy - duty mechanical applications.
Central hole: The hole in the center of the flat washer is designed to fit over a bolt, screw, or other fastener. The diameter of the hole is slightly larger than the diameter of the fastener to allow for easy installation and to ensure that the washer can freely rotate and adjust its position as needed.
Load distribution: One of the primary functions of a flat washer is to distribute the load or force exerted by a bolt or screw over a larger area. When a fastener is tightened, the washer spreads the force evenly across the surface of the connected components, reducing the risk of local stress concentrations that could cause damage or deformation.
Spacer and alignment: Flat washers can also be used as spacers to provide a specific distance or gap between two parts. They help to maintain the correct alignment of components and ensure proper fit and function. In some cases, washers may be stacked to achieve the desired spacing.
Vibration damping: To some extent, flat washers can help to absorb vibrations and shocks. The material and design of the washer allow it to deform slightly under dynamic loads, reducing the transmission of vibrations between connected parts and helping to prevent loosening of the fasteners over time.
Protection of surfaces: By interposing between the fastener and the component surface, the washer protects the surface from being scratched, worn, or damaged by the direct contact with the fastener. This is especially important for delicate or painted surfaces.
Flat washers are widely used in various industries and applications, including mechanical engineering, automotive manufacturing, construction, electronics, and many others. They are an essential component in ensuring the reliability and durability of mechanical connections.
1,Standard including: DIN125,DIN126,SAE, USS, customized
2,Brand: HB
3,Material: Stainless Steel / Carbon Steel ,low carbon steel(mild steel), middle carbon steel, alloy steel, stainless steel (SS201, SS304, SS316),and brass, aluminium alloy.
4,SAE Class: 2,5.8 ASTM A194 2H.F436. Metric from 4 to 10
5,Metric Size: M5 M6 M8 M10 M12 M14 M16 M18 M20 M22 M24 M27 M30 M33
Inch size: 1/4”,3/8”,1/2”,5/8”,3/4”,7/8”,1”,1-1/4”,1-1/2”,2”,2-1/4”
6,Surface finish: Plain finish,Black ,Black Oxide, Black Zinc Coating,Hot Dip Galvanized(HDG), Zinc Plated, Yellow ZP,Brass coating, Nickle plated , Chrome plating, Dacromat, Geomet, etc.
7,Packing: 20-25kg Carton+Pallet (bulk packing OR small box packing)
