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DIN9021 Large Plain Washer Manufacturer In China

Ningbo Teng Qi Fasteners Co., Ltd is a professional DIN 9021 Large Flat Washer manufacturer, we are committed to providing customers with quality products and excellent service. We have advanced stamping equipment and a professional technical team to ensure accurate product dimensions, and use high-quality carbon steel and stainless steel materials for processing and production to meet various engineering and application needs.

Our heat treatment process is performed strictly in accordance with the required temperature and time to ensure product hardness and durability, allowing it to maintain excellent performance in harsh environments. In addition, we provide a variety of surface treatment options, including blackening, galvanizing and hot-dip galvanizing, to improve the corrosion resistance and appearance of the product and meet customers’ diverse needs for appearance and functionality.

We look forward to establishing long-term cooperative relationships with our customers and contributing our strength to your business development.

Black Oxidation DIN9021 Large Flat Washer
High Quality DIN9021 Zinc Plated Large Flat Washer

Specification of DIN9021 Large Plain Washer:

The specification of DIN9021 Large Plain include the following details:

Product nameDIN9021 Large Plain Washer
Material:Carbon Steel: Q235/C45
Stainless Steel: SS304/SS316
Surface TreatmentZinc Plated/Plain/Hot Dip Galvanized/Black Oxidation
Packaging:Boxes/cartons into wooden pallets

Dimension Chart of DIN9021 Large Flat Washer:

Thread DiameterΦ2.5Φ3Φ3.5Φ4Φ5Φ6Φ7Φ8Φ10Φ12Φ14Φ16Φ18Φ20Φ24Φ30Φ36
d min2.
d max2.843.383.884.485.486.627.628.6210.7713.2715.2717.2720.5222.5226.843440
dc max891112151822243037445056607292110
dc min7.648.6410.5711.5714.5717.5721.4823.4829.4836.3843.3849.3854.
h max0.
h min0.

Application of DIN 9021 Large Plain Washer:

The DIN 9021 large plain washer is a versatile component with various applications across industries. Some of its common applications include:

Construction and Structural Engineering:DIN 9021 large plain washers are frequently used in construction projects for structural fastening applications. They provide essential support and reinforcement to bolts and screws, distributing the load evenly over a wider area. This helps prevent damage to surfaces and ensures the stability and integrity of structures.
Mechanical Engineering:In mechanical engineering, DIN 9021 large plain washers are employed in machinery assembly and maintenance. They serve as protective barriers between fasteners and surfaces, reducing friction and wear. Additionally, they help prevent loosening of fasteners due to vibrations, enhancing the overall reliability and longevity of mechanical systems.
Automotive Industry:The automotive industry utilizes DIN 9021 large plain washers in various components and systems, including engine assembly, chassis construction, and bodywork. These washers play a crucial role in ensuring the proper functioning and safety of vehicles by securing critical fasteners and preventing premature failure or damage.
Electrical Equipment:DIN 9021 large plain washers find application in electrical equipment and appliances. They are used to secure electrical components, mounting brackets, and fixtures, providing insulation and protection against electrical conductivity. Their flat, uniform surface helps maintain consistent pressure and contact, ensuring optimal performance and safety.
Railroad and Transportation:In the railroad and transportation industry, DIN 9021 large plain washers are used for fastening components in rail infrastructure, including tracks, switches, and signaling equipment. They help distribute the load exerted by fasteners, ensuring stability and safety in railway systems.
Oil and Gas Industry:The oil and gas industry utilizes DIN 9021 large plain washers in various equipment and installations, including pipelines, drilling rigs, and refineries. These washers play a role in securing critical connections and flange joints, enhancing the integrity and safety of oil and gas operations.
Power Generation:In power generation facilities, such as power plants and renewable energy installations, DIN 9021 large plain washers are employed in the assembly of turbines, generators, and transmission equipment. They help maintain proper alignment and tension in fastener assemblies, contributing to the efficiency and reliability of power generation systems.