304 Stainless Steel Flat Washer, Plain and Zinc Finished Spring Washer for Industrial and Automotive Applications

This washer product is designed for use with bolts, screws, nuts, threaded rods, and other fastening components. It helps distribute the load of a tightened fastener over a larger contact area, reducing surface pressure and supporting a more stable connection.

The product is suitable for heavy industry, automotive applications, retail fastening, general industrial assembly, machinery, equipment installation, and other connection systems.

Specification Table

Surface Treatment Options

Plain Stainless Steel Finish The plain finish is suitable for applications that require the natural appearance of stainless steel. It can be used in machinery assembly, equipment installation, general fastening, and applications where an additional coating is not required.

Zinc Finish Zinc is listed as one of the available surface treatments. It provides a treated surface for selected washer variants and can be used with compatible bolts, nuts, and other zinc‑finished fasteners.

Black Finish The core attributes list black as an available finish. The black option can be selected for applications where a darker appearance or specific surface treatment is required.

White Zinc and Yellow Zinc The detailed attributes list white zinc and yellow zinc finishes. These options can be selected according to the required appearance and surface protection requirements.

Hot‑Dip Galvanized Finish HDG is also listed in the detailed surface‑treatment information. This finish is suitable for selected industrial, construction, automotive, and outdoor fastening applications where additional surface protection is required.

The final finish should be confirmed together with the selected material, washer type, size, and thickness.

Application

The 304 stainless steel washer can be used in:

• Heavy industrial equipment
• Automotive assembly
• Machinery installation
• Building construction
• General industrial fastening
• Equipment maintenance
• Metal structure assembly
• Bracket and support installation
• Pipe and machinery support systems
• Retail hardware applications
• Bolted connection systems
• Outdoor and humid‑area fastening

Flat washers are used to distribute the load under a nut or bolt head and help protect the connected surface. Spring washers are used in fastening assemblies where additional resistance to loosening is required. Plain washers can be selected for standard spacing, load distribution, and surface protection.

For stainless steel fastening assemblies, it is recommended to use compatible stainless steel bolts, nuts, and washers with matching dimensions and suitable corrosion resistance.

Matching Fasteners

The washers can be used with:

• Stainless steel hex bolts
• Stainless steel hex nuts
• DIN hex head bolts
• Full threaded rods
• Threaded studs
• Socket head cap screws
• Machine screws
• Self‑tapping screws
• Coupling nuts
• Mounting brackets
• Structural fastening plates

Typical combinations include:

• 304 stainless steel flat washer + stainless steel hex bolt + stainless steel nut
• Stainless steel spring washer + hex bolt + hex nut
• Plain washer + threaded rod + nut
• Flat washer + machine screw + threaded hole
• Washer + mounting bracket + bolt and nut assembly

The washer size should match the bolt or screw diameter. The selected material and surface treatment should also be compatible with the connected fastener to help maintain consistent corrosion resistance.

Packing & Delivery

The listed packaging options include:

• Bags
• Cartons
• Pallets
• Custom packaging
• Custom labels
• Custom logos

The product description provides the following delivery information:

• Approximately 5–10 days when products are in stock
• Approximately 15–20 days when products are not in stock

Delivery time depends on the order quantity and selected specification.

Samples can be provided. The product description states that samples may be free, while shipping costs are not included.

The product is supplied from Hebei Handan, China.

FAQ

1.What is the main product material?

The main product focus is 304 stainless steel, as identified in the product title.

2.What other material options are shown?

The page also lists brass, stainless steel, steel, aluminum, and alloy as material options. The exact material must be selected according to the required product variant.

3.What types of washers are available?

The listed washer types include:

• Spring washer
• Flat washer
• Plain washer

The product style is also listed as split type.

4.What surface treatments are available?

The page lists black, zinc, and plain finishes. Additional detailed finish options include white zinc, yellow zinc, and HDG.

5.What applications are suitable for these washers?

The listed application areas include heavy industry, retail, general industry, and automotive. The washers can also be used in building, machinery, equipment assembly, and general fastening systems.

6.Can the washer be used with stainless steel bolts?

Yes. The 304 stainless steel washer can be matched with compatible stainless steel bolts, nuts, threaded rods, and other stainless steel fastening components.

7.What is the minimum order quantity?

The listed minimum order quantity is 10,000 pieces.

8.Can the product be customized?

Yes. OEM, ODM, custom logo, custom packaging, graphic customization, drawing customization, and sample customization services are available.

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Need 304 stainless steel flat or spring washers for industrial and automotive fastening?

Send us your washer type, material, size, thickness, surface treatment, quantity, and packaging requirements. Our team in Hebei Handan, China can provide a suitable quotation and matching fastening solution.