Buyer’s Guide to Identifying Types of Washers

Washers are important in many applications. It is a multipurpose fastener that dispenses the pressure of the nut equally over a surface without causing any damage and it guarantees that the nut is pushed against a smooth surface to reduce the chances of releasing over time.

There are many washers available in the market. It may be overwhelming to choose but it is prudent to know the different types first to make an informed decision. Understanding the overall structure of the washers is beneficial in whatever task you do. Here are the different types of Superior Washer:

Spherical washer

Plain washer

The plain washer is used to distribute the load, avert destruction to the surface being fixed and provide insulation. There are many types of plain washers namely:

A. Flat washer is used to distribute the load of the fastened screwed. It is mostly used when the hole is bigger than the width of the fixing nut.

B. Fender washer is known to distribute the load, especially on thin metal sheets. It has a large outer width equal to its main hole. Fender washers are also used to connect an enlarged hole caused by wear or rust.

C. Spherical washer is designed to be used in combining a mating nut. It can ensure that there is proper alignment between the parts.

D. Anchor plate is a large plate that can link a bolt or tie rod. It is mostly used on the outside walls of buildings, which is to strengthen structural integrity. This type of washer is visible, which is why it comes in different style.

E. Torque washer is known in woodworks. It is used together with a carriage bolt. It is characterized by a square hole in its center, which the carriage bolt fits. The teeth of the torque washer grip into the wood thereby preventing the bolt from loosening.

Spring washer and locking washer

Spring washer is known to have an axial flexibility. It is also used to avoid loosening and fastening because of vibrations. Locking washer prevents the releasing and fastening by avoiding unscrewing rotation of a particular fastening device. Lock washers, jam nuts, and locknuts avoid vibration from releasing bolted joint. There are many types of spring washers namely:

A. Belleville washer is a cone-shape washer that gives axial force when it is twisted.

B. Curved disc spring is akin to Belleville. This washer is only curved in one direction, which has 4 contact points.

C. Wave washer facilitates spring pressure when it is compressed. It does not generate much force compared to Belleville washers.

D. Spring lock washer is a trapezoid-shaped washer. If it is compressed, it can flatten or twist the bolt.

E. The toothed lock is a washer with sharpness outward or inward to grip into the bearing surface.

F. Tab washer is a locking washer that functions by having the side tab bent into place against a nut.

Now that you know the different types of washers, it will be easier on your side to choose what type of washer is applicable to your needs.