High Standard Metal Flat Washers White Zinc / Yellow Zinc / Black Din125/9021

Product Description

Washers are commonly used small components in mechanical connections, and their main function is to buffer, isolate, and seal between two fasteners, ensuring the stability and reliability of the fasteners. The following will introduce the function and types of washers.
The function of washers
1. Cushioning effect: When two fasteners are impacted by external forces, the washer can play a buffering role, reducing the impact of the impact force on the fastener.

2. Isolation function: When the joint surface is uneven or worn, the use of washers can maintain a suitable gap between fasteners to prevent direct contact and wear.
3. Filling function: When the diameter of the fastener does not match the diameter of the connecting hole, the use of washers can fill the gap, making the fastener and the connecting hole more tightly fitted.
4. Sealing function: Gaskets can prevent the invasion of liquids, gases, dust, etc., thus playing a sealing role, such as car radiator gaskets, faucet gaskets, etc.
Types of washers
1. Flat washer: Flat washer is the most commonly used type of washer, with a simple structure and uniform thickness. It is generally used on the surface of fasteners to increase contact area and prevent surface damage to fasteners.
2. Elastic washer: Elastic washer, also known as elastic washer, has a complex structure and a certain degree of elasticity, which can adapt to the deformation and vibration of fasteners, and play a role in buffering and isolation.
3. Lock washer: Lock washer is usually used for high-pressure fasteners and has a locking function, which can increase the friction and anti loosening ability of the fastener.
4. Wave washer: Wave washer, also known as elastic wave washer, has great deformation ability and compression performance, and can adapt to different shapes of joint surfaces, playing a buffering and isolation role.
5. Countersunk washer: Countersunk washer is mainly used on the countersunk head of bolts and nuts, which can generate pre tightening force during the tightening process of fasteners and increase the connection of fasteners.

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Packing & Delivery

1. Packing Details: Boxex on pallets; As customer's requirements.

2. Delivery Dtetails: 25 days after order

Email:cindy@ytfasteners

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