Carbon Steel SS (A2, A4) SAE USS Flat Washers
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Carbon Steel SS (A2, A4) SAE USS Flat Washers

At Topbolt Metalworks, we manufacture and supply SAE USS Flat Washers, a reliable fastening solution designed for various industrial applications. With a focus on quality, durability, and precision, our flat washers are trusted by customers worldwide. From construction to machinery, our washers ensure a secure, evenly distributed load for bolts and nuts.
As a manufacturer with a daily production capacity of 500,000 pieces, we offer a wide range of washers in standard and custom specifications to meet your unique project requirements.
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Specifications

  • Material: Carbon steel, stainless steel (A2, A4), alloy steel

  • Standards: SAE,USS and custom specifications

  • Size Range: M3-M64, 1/4 inch to 3 inches

  • Surface Treatment:

    Plain

      Black

      Zinc Plated (ZP)

      Yellow Zinc Plated (YZP)

      Hot Dip Galvanizing (HDG)

      Dacromet

      Nickel Plated

      Brass Plated

Features

  • Corrosion Resistance: Stainless steel and coated finishes provide excellent protection against rust and wear.

  • Enhanced Load Distribution: Reduces the risk of damage to connected surfaces.

  • Customizable: Non-standard sizes and drawings are accepted.

Packing Options

  • Small box/carton

  • Bulk cartons with pallets

  • Gunny bags

  • Custom packing solutions




How SAE USS Flat Washers Are Manufactured

Our flat washers undergo a comprehensive production process to ensure optimal performance:

Material Sourcing

Only high-quality materials such as carbon steel, stainless steel, and alloy steel are used.

Stamping and Precision Cutting

Washers are stamped from raw material sheets with precision to meet dimensional standards.

Heat Treatment

For enhanced durability, some washers undergo heat treatment to improve strength and wear resistance.

Surface Finishing

Depending on customer needs, washers are coated or treated for corrosion resistance and aesthetic appeal.

Quality Inspection

We perform strict quality checks, including dimensional accuracy, coating thickness, and load distribution tests.




What Are Flat Washers and Their Benefits?

Flat washers are thin, circular plates with a hole in the center. They are used to:

  • Distribute Load Evenly: Prevent bolt or nut pressure from damaging the connected material.

  • Reduce Vibration: Add stability to bolted joints.

  • Protect Surfaces: Minimize wear and tear by reducing friction between components.

Flat washers are an essential component in fastening systems, improving both functionality and lifespan.




Why Choose Topbolt Metalworks for SAE USS Flat Washers?

High Production Capacity

With the ability to produce 500,000 pieces per day, we can meet bulk orders with quick turnaround times.

Global Standards Compliance

Our washers are manufactured according to DIN, BSW, JIS, ASME, and ANSI standards, ensuring compatibility with global markets.

Customization Options

We accommodate non-standard sizes and customer-specific drawings to meet unique requirements.

Advanced Surface Treatments

Our extensive range of coatings ensures long-lasting durability and corrosion resistance.

Competitive Pricing

As a direct manufacturer, we offer cost-effective solutions without compromising quality.




FAQ

What is the difference between SAE and USS flat washers?

SAE washers are thinner and designed for smaller bolts, while USS washers are larger and thicker, suitable for heavy-duty applications.

Can I request a specific surface treatment?

Yes, we offer a wide range of surface finishes, including zinc plating, hot dip galvanizing, and more.

Are custom washer sizes available?

Absolutely! We provide custom sizes and accept unique designs or drawings.

What industries use flat washers?

Flat washers are used in construction, machinery, automotive, and more.

Do you ship internationally?

Yes, we export to North America, Europe, Australia, Southeast Asia, and other regions.




Contact Topbolt Metalworks Today!

For premium SAE USS Flat Washers, tailored to your exact specifications, reach out to us today:

  • Sales Office: ROOM1-3, No.34 Building 5, Eastern Business Centre, Jiangdong District, Ningbo, China

  • Factory Location: Yuyan, Xiepu Chemical Industrial Zone, Zhenhai District, Ningbo, China

  • Tel: +86-574-86595122

  • Fax: +86-574-86657066

  • Email: sales2@topboltmfg.com

Let us provide you with the reliable fastening solutions you need for your projects. Contact us today!

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Contact Us

WhatsApp: +8618069043038
Telephone: +86-574-86595122
Phone: +86-18069043038
Email: sales2@topboltmfg.com
Address: Yuyan, Xiepu Chemical Industrial Zone, Zhenhai District, Ningbo, China

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