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Custom Fasteners Manufacturer in Automotive and Vehicle Assembly

We focus on providing high-performance and commercial fasteners for many industries, ranging from small to large volumes, including automotive, trucks and trailers, heavy construction, agriculture, military, material handling, and outdoor power equipment.

Low MOQ From 1000 Pics

What we do

We are a professional Standard & Custom Fastener Supplier, tailoring the ideal fasteners for you: Starting from fast and accurate quotes to CAD drawings, mold design, and delivery.

Bolts Materials

  • Carbon Steel
  • Stainless Steel
  • Alloy Steel
  • Aluminum
  • Brass
  • Copper Alloys
  • Nickel Alloys
  • Titanium/Ti Alloy
  • Specialty Materials

Bolts Sizes

  • From M3 to M42
  • hot forging capabilities from 1/2″ diameter through 2-1/2″ diameter

Surface Treatments

  • Nickel Plated
  • Dumb Nickel
  • Black Nickel
  • White/Blue/Black/Yellow Zinc
  • Chrome Plated
  • Bronze Plated
  • Tin Plated
  • Silver Plated
  • Purified
  • Oxidized

Head and Thread Types

  • Hex bolts
  • Heavy hex bolts
  • Square head bolts
  • Eye Bolts
  • Stud bolts
  • Flange bolts
  • Socket head bolts
  • Stripper bolts
  • Carriage bolts
  • Plow bolts
  • U bolts
  • Blade bolts
  • Round head bolts
  • Tower flange bolts
  • Anchor bolts
  • Foundation bolts
  • Structural bolts

Manufacturing Capabilities

  • Heat Treating
  • Cold Forging
  • Cutting
  • Turning
  • Milling
  • Drilling
  • Threading
  • Surface Grinding
  • Finishing
  • Laser Cutting
  • Forming
  • Wire Forming
  • Stamping

Kitting Service

  • Quick and tailored bagging and packing solutions that streamline your supply of crucial components during their storage, transportation, and use.

Specials are our specialty

With the industry’s top R&D team and advanced production facilities, Sunhy is able to provide you with a full range of customized services from single products to total systems. Whether it is special specifications, unique features or exclusive design, we can meet your needs.

Custom Fasteners Manufacturer

Who We Are

Sunhybolts (SUNHY Pipe Fittings Co., Ltd.) is a China-based industry-leading manufacturer of specialty fasteners, bolts, and hardware for bolted connections.
The company mainly produces ANSI, DIN, ISO, JIS, and GB high-strength standard parts as well as non-standard parts made from carbon steel, stainless steel, brass, and more.

Our product inventory range is broader than that of our competitors, providing flexible customization options. Whether standard fasteners or special requirements, we can meet your needs and provide optimal support for your projects.

We work directly with customers and distributor partners to customize a solution rather than one-size-fits-all products.

Why Choose Us

Quick Customization

We have a professional team of engineers and advanced CAD/CAM systems, combined with our state-of-the-art equipment, to quickly turn your ideas into actual products. From receiving drawings to completing samples, it usually takes only 7-10 days, much faster than the industry average.

CNC Lathe

Surface Grinding Machine

Punching Machine

Automatic Screw Machine

Automatic Lathe Machine

Quality Assurance

We implement a comprehensive quality management system, including raw material inspection, production process control, and finished product testing.

Each batch undergoes up to 15 strict inspections to ensure dimensional accuracy, material performance, and surface treatment quality. Our defect rate is below 0.1%, far better than the industry average.

On-time Delivery

We have a modern factory of 20,000 square meters and ample inventory. Our advanced warehouse management system provides real-time pricing and inventory information for all products, combined with an efficient production management system, ensuring 100% accuracy for repeat orders.

Professional Support

We are equipped with an experienced team of fastener experts, ready to answer your questions and ensure your needs are perfectly met. We take pride in our effective communication with clients, allowing you to focus on your core business while leaving fastener issues to us.

Reasonable Pricing

As a direct manufacturer, we eliminate intermediaries, passing the cost savings on to our customers. Our prices are typically 15-20% lower than the market average, without compromising product quality, offering you the best value. With a broad network of manufacturers and distributors, we can provide quick delivery, quantity-based discounts, and cost-effective fastener solutions.

Let our application engineers provide recommendations for your project.

  • One-stop service from design to production
  • Reliable long-term partnerships
  • Industry-leading innovation capabilities

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