Spring Lock Washers DIN 127-1987

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• 304 Stainless Steel: 304 Stainless steel split lock washer are made of high-strength materials with good corrosion resistance and long service life. Compared to galvanised materials, the oxidation resistance, corrosion resistance and rust resistance are stronger, thus increasing the service life of the product
• Split Lock Washer Function: Split washer are mainly used for nuts, bolts and screws from rotating and loosening due to vibration and friction, and play a role in preventing loosening and fixing objects to ensure the stability of machines
• Wide Application: Spring washers are highly compatible with screws, nuts and bolts of the same size and can be used to connect moving parts or to prevent loose connections, such as in furniture repair, outdoor construction, and electrical maintenance

Spring Washers are commonly used fasteners primarily designed to prevent the loosening of bolts or nuts under vibration or impact. 

Structural Features:

• Spring washers are typically made of metal, shaped as a circle with a hole in the center for passing through bolts or screws.

• One side of the washer is thinner, while the other side is thicker, forming a beveled edge.

• When a bolt or nut is tightened, the beveled edge of the spring washer deforms, generating a spring force.

Working Principle:

• The spring force of the washer can counteract the loosening tendency caused by vibration or impact.

• When subjected to external forces, the elasticity of the spring washer can readjust the preload of the fastener, maintaining the stability of the connection.

Materials:

• Spring washers are usually made from stainless steel, carbon steel, copper, or other alloy materials to meet different working environment and corrosion resistance requirements.

Types:

• Common types of spring washers include standard spring washers, heavy-duty spring washers, and wave spring washers, among others.

• Each type of spring washer has its specific application scenarios and performance characteristics.

Application Fields:

• Spring washers are widely used in various mechanical equipment, automobiles, construction, electronic devices, and other fields to ensure the fastening and stability of connecting parts.

Standards:

• The production and use of spring washers generally follow certain international or national standards, such as ISO, DIN, GB, etc.

Installation Precautions:

• When installing a spring washer, it is necessary to ensure that the washer is fully positioned between the nut and the connected part to exert its anti-loosening effect.

• Over-tightening may cause the spring washer to fail or become damaged.

Fasteners are a class of mechanical parts that are widely used for fastening connections. In a variety of machinery, equipment, vehicles, ships, railroads, bridges, buildings, structures, tools, instruments, meters and supplies, etc., can be seen above a variety of fasteners. It is characterized by a wide variety of specifications, performance and use of different, and standardization, serialization, generalization of the kind of degree is also very high.

fasteners commonly used testing equipment

Fastener development and design is the most important part of the quality control, from the feed to the finished product shipments have several major gates, these major gates have different inspection methods. First of all, the incoming material is related to the appearance, size, elements, performance, harmful substances testing, etc.; the process is more appearance, size, knocking test, forging line; heat treatment is more appearance, hardness, torque, tensile, metallurgical, etc.; the surface treatment is more hydrogen embrittlement test, plating, salt spray, etc., including the shipment of a harmful substances testing. In the size, appearance testing, the common is the secondary element, contour measuring machine, three coordinate measuring machine, image sorting machine; mechanical and chemical testing, mainly hardness machine, tensile machine, metallurgical microscope; material testing, there is a spectral analyzer, salt spray testing machine.

it usually includes the following 8 types of parts:

1. bolts: 2. studs: 3. nuts: 4. wood screws: 5. Washers: 6. Retaining ring: 7. Pins: 8.Rivets:

• Established in 1990, QingSong is a professional fastener manufacturer with 33 years' experience in production and R&D.
• Over the years, we have always been committed to providing our customers with high quality products and good service.
• We can produce and sell all kinds of standard fasteners and also customize all kinds of non-standard fasteners.