China Spring Washers Suppliers - Industrial Open Gasket Factory for Enhanced Bolt Performance

Our spring washers are essential components used primarily when the bolt's pre-tightening force is low and the dynamic load is minimal. Manufactured in China, our factory produces high-quality spring washers designed to compensate for bolt stress relaxation, especially in applications where the clamping length of the bolt is relatively short. As reliable suppliers, we ensure that our spring washers effectively maintain the necessary tension and support in your projects, making them an ideal choice for various industrial applications.

size M20 M22
material carbon steel
Surftreatment black zinc plated

Product Detail

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

Q1: How does a spring washer achieve its anti-loose effect?

A1: It works by generating an elastic reaction when flattened under a tightened nut, which compels the screw threads. Additionally, its oblique mouth tip presses against the bolt or nut and the connected part to prevent loosening.

Q2: Why does the spring washer have a left-handed spiral direction?

A2: Since the general direction of standard bolt threads is right-handed, the left-handed spiral of the spring washer provides opposing resistance, enhancing the anti-loose mechanism when tightened.

Q3: How do spring washers perform under vibration?

A3: They offer excellent anti-seismic protection. When vibrations cause axial forces and create temporary gaps between fasteners, the spring washer's elasticity instantly compensates for these gaps to maintain tension.

Q4: What role does the oblique mouth of the spring washer play?

A4: The tip of the oblique mouth digs slightly into the supporting surface of the bolt, nut, or connected part. This physical bite prevents the fastener from rotating backward and loosening.

Q5: Can spring washers compensate for elastic deformation of fasteners?

A5: Yes. After fasteners undergo stress and experience elastic deformation, spring washers use their stored elastic energy to close any resulting gaps between the joint components.