Washers, also known as washers, are parts that are usually used to pad between the connector and the nut.
The main purpose is as a spacer to protect the surface of the connected parts from being scratched by the nut, to disperse the pressure of the nut on the connected parts, and to reduce the detachment caused by vibration.
Common materials: steel, stainless steel, copper, aluminum, iron, plastic, titanium
Main application industries: industry, mold, equipment...etc
Washers can be divided into three types
1. Flat washer
Function: Prevent the surface damage of the connector, increase the contact area and disperse the pressure.
2. Spring washer
Function: used to flexibly prevent loosening and vibration.
3. Anti-loose washers
Function: To prevent the loosening of the connector and prevent the rotation of the screw.

A gasket is a mechanical seal between two objects, usually used to prevent pressure, corrosion, and pipeline leakage between the two objects.
Since the machined surface cannot be perfect, the irregularities can be filled with spacers.
Main use: sealing of pipe flanges, valves, pumps, pressure vessels, etc. some professional equipment
The main application industries are petrochemical, refining, electric power, metallurgy, manufacturing and other industries

Engineering plastics
Features such as insulation, non-magnetic, corrosion resistance, never rust Strength, impact resistance comparable to metal
1. Medical equipment industry (insulation, non-magnetic, environmental protection, anti-interference, make medical equipment safer to use)
2. Wind power industry (isolation and insulation of chassis circuit PCB board)
3. Aerospace industry (insulation and anti-interference on electronic equipment)
4. Office equipment industry (never rusted, beautiful and practical)
5. Petrochemical industry (high temperature resistance, chemical resistance, corrosion resistance, prolong the service life of equipment)
6. Electronics industry (insulation, anti-interference, light weight)
7. Communication industry (insulation, non-magnetic, safety)
8. Shipbuilding industry (acid resistance, alkali resistance, corrosion resistance, prolong service life)

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