Flat Washer Kit,Flat Washer With Square Hole,Flat Washer Price

Flat washers are mainly stamped out of iron plate, the shape is generally round or square, with a hole in the middle. Usually, the same specification bolt applicable flat washer aperture, outside diameter and thickness vary, such as M10 bolt with a flat washer aperture of 10mm, outside diameter, thickness is not fixed.

Flat washers are generally used in the connection of a soft texture, a hard and brittle, its main role is to increase the contact area, disperse the pressure, to prevent the soft texture of the crushed. The basic role of the spring washer spring is to give a force to the nut after tightening the nut, increasing the friction between the nut and the bolt.

Main uses

Flat washers are mainly used to reduce the pressure, when some parts of the tightening axial force is very large, easy to make the washer is pressed into a disc, then you can change the material and improve the hardness to solve the problem. The locking effect of spring washers is more general, important parts as little as possible or not, using self-locking structure for high-speed tightening of the spring washer, it is best to use the surface phosphate treatment of the washer, to improve its wear performance, otherwise it is easier to frictional heating and burn parts or lead to parts open mouth, or even damage the surface of the connected parts. For the thin plate connection should not use the spring washer structure. For spring washers, elastic washers, according to the national standard can generally choose GB699-1999 "high-quality carbon structural steel" in 60, 70 steel and 65mn steel.

Flat washers are often used to reduce friction, prevent leakage, isolation, prevent loosening or dispersion of pressure. Many materials and structures have such components, used to perform a variety of similar effects. Threaded fasteners by the material and process limitations, bolts and other fasteners support surface is not large, so to reduce the compressive stress on the bearing surface to protect the surface of the connected parts, in the use of bolts is often equipped with flat washers, so flat washers in the bolt fastener is an essential auxiliary accessories.

Flat washer also according to the pressure limit and the use of different environments, the choice of flat washer material is also different. Commonly used flat washer materials are iron, carbon steel, stainless steel, copper, plastic, etc. The size of the flat washer is generally divided into standard size, increase, thicken, increase thickening, etc.

Related standards

The shape of the flat washer is generally a circle, there is a hole in the middle. The size of this hole is generally customized according to the needs of the specifications. China has 9 standards for flat washers, from 2000-2002, GB/97.3-2000, GB/T5286-2001, GB/95-2002, GB/T96.1-2002, GB/T96.2002, GB/97.1-2002, GB/97.4-2002 and GB/97.4-2002. T5287-2002, etc.

Summary

Flat washers have more applications, flat washers are used to reduce friction, prevent leakage, isolation, prevent loosening or dispersion of pressure. Many materials and structures have such components, used to perform a variety of similar effects. Restricted by the material and process of threaded fasteners, bolts and other fasteners supporting surface is not large, so to reduce the compressive stress on the bearing surface to protect the surface of the connected parts, its use of washers.

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