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High-Quality Open Gasket Spring Washers from China Factory - Reliable Suppliers for Steel Spring Pads

Spring washers are essential components widely used in applications where the bolt's pre-tightening force is low and the dynamic load is minimal. These washers are particularly beneficial when the bolt clamping length is short, as they effectively compensate for bolt stress relaxation. As a leading factory and supplier in China, we offer high-quality spring washers designed to enhance the longevity and reliability of your mechanical assemblies. Trust our China-based manufacturing expertise to deliver durable spring washers that meet your specific needs.

  • size M27 M30
  • material carbon steel
  • surftreatment black

The spring washer has good anti-loose effect and anti-seismic effect.

The general direction of the thread is right-handed, and the spiral direction of the spring washer is left-handed. After tightening the nut, the elastic reaction generated by the washer flattening compels the screw threads.

At the same time, when the fastener combination is subjected to the axial force of the vibration of the bolt, due to the elastic deformation of each part after the stress, sometimes there will be a gap between the fasteners, which is easier to loose.

The tip of the spring washer’s oblique mouth is against the supporting surface of the bolt or nut and the connected part, which can make up for the gap between the instantaneous fasteners and prevent loosening.

Frequently Asked Questions

What are the primary functions of a spring washer?

A spring washer is designed to provide excellent anti-loose and anti-seismic effects in fastened joints.

What is the thread and spiral direction of a spring washer?

Typically, the thread direction is right-handed, while the spiral direction of the spring washer is left-handed.

How does a spring washer secure screw threads?

Once the nut is tightened, the washer flattens and generates an elastic reaction that directly compels the screw threads to stay tight.

Why do fasteners loosen under vibration?

Vibration subjects the bolt to axial force, causing elastic deformation in the parts. This deformation can create small gaps, leading to loosening.

How does the oblique mouth of the spring washer prevent loosening?

The tip of the oblique mouth presses against the supporting surface of the bolt/nut and the connected part, compensating for any sudden gaps and preventing the assembly from loosening.