Bolts Manufacturer | OEM Bolts | Other Bolts Wholesale

 

In the fields of machinery manufacturing, construction engineering, automotive electronics, home hardware, and industrial equipment, high-quality bolts are key components ensuring product safety and structural stability. Choosing a professional and experienced fastener manufacturer not only guarantees reliable product quality but also provides customized and efficient delivery services.

 

As a fastener expert with 19 years of manufacturing experience, Huizhou Zeyao Hardware Products Co., Ltd. specializes in the production of custom fasteners, including screws, bolts, nuts, washers, pins, spacers, standoffs, rivets, CNC-milled parts, and CNC-turned parts. Our products find extensive application across various industries, such as automotive manufacturing, electronics, construction, aerospace, industrial machinery, medical devices, furniture, household goods, railway transportation, and more.

Rich Experience

Established in 2006, Huizhou Zeyao Hardware Products Co., Ltd. has accumulated over 18 years of expertise in manufacturing high-quality fasteners.

Quality Control

All our products comply with ROHS standards, and we maintain a stringent quality control system throughout the entire production process to ensure superior product quality.

Customized Services

We offer tailored solutions based on customer requirements, providing customized production according to specific drawings or samples.

 

Advanced Production Technology

Our production capabilities encompass cold forming, automatic lathing, automatic milling, and CNC machining, enabling us to meet diverse customer needs efficiently.

 

 
  • Square-Neck Carriage Bolts
    -Material:Steel 1018, steel 10B21, stainless steel, aluminum.
    -Surface finish: Zinc plated, Zinc nickel plated, black oxide, Decromet
    -Thread metric:M2,M3,M4,M5,M6,M8,M12
    -Thread...
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  • Black Square Head Bolt
    -Material:Steel 1018, steel 10B21, SCM435 steel
    -Surface finish: Zinc plated, Zinc nickel plated, black oxide, Decromet
    -Thread metric:M2,M3,M4,M5,M6,M8,M12
    -Thread...
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  • Hex Flanged Head Long Bolt
    Material: 1035 steel, SCM435 steel, 45k steel, zinc nickel plating
    Surface finish: Decomate coating, zinc flake coating
    Salt spray time: Over 1000 hours of medium salt spray testing,...
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  • DIN603 Carriage Bolt
    Carriage Bolt, Square Neck Bolt
    Thread Size: Metric & Inch
    Material: Carbon Steel & Stainless Steel
    Finish: Black, Nickel, Zinc, etc.
    Head Type: Round Head
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  • IFI-115 12-Point Screw Bolt
    Head type: 12-point flanged head
    Drive Style: External 12 point
    System of Measurement: Metric or inch
    Threading: fully or partially threaded
    Fastener strength:...
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  • Zinc Steel Eye Bolt
    Eye Bolt, Sheep Eey Screw
    Thread Size: Metric & Inch
    Material: Carbon Steel
    Finish: Black, Nickel, Zinc, etc.
    Head Type: Sheep Eye Head
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  • Wing Bolt Butterfly Screw
    Wing Bolt Butterfly screw is also called butterfly ingot screw, horn bolt or butterfly hand screw. The main body is made of 304 stainless steel. It is a fastener that can be manually operated...
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  • Stainless Steel Step Bolts
    Material: High-quality stainless steel
    Screw Diameter: Common sizes M6, M8, M10, M12, M16 (customizable)
    Surface Treatment: Galvanized, passivated, black oxide, spray-coated, etc....
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  • Stainless Steel U Bolt
    The stainless steel U-bolt is designed for heavy-duty applications where high strength and corrosion resistance are needed. Made from high-quality stainless steel, which offers excellent...
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  • T-Slot Bolts
    The T-slot bolts are designed with a unique "T" shaped head that provides extra support and torque. The "T" shaped head ensures better support and torque, they are designed to work with T-slot...
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  • Hex Socket Head Shoulder Bolt
    Compliant with DIN, ANSI, ISO, JIS standards, ISO 9001/IATF 16949 certified

    Head Type: Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminum, Plastic

    Material:...
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  • T Head Bolt
    The T-head bolt is designed to fit into aluminum profile slots, where it automatically locks and positions itself during installation. The head of the bolt typically features knurling or textured...
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First 12 Last
 
Specification

D1

E

T

J

D

A

H

Size

Pitch

Max

Min

Max

Min

Max

Min

Max

Min

M2

0.4

4

 

 

2.48

2.45

5

4.78

2.5

2.32

M2.5

0.45

5

 

 

2.98

2.95

6

5.78

3

2.78

M3

0.5

6

2.4

3

3.98

3.95

7

6.78

3.5

3.32

M4

0.7

8

2.4

3

4.98

4.95

9

8.78

3.5

3.32

M5

0.8

9.75

2.4

3

5.98

5.95

10

9.78

4.5

4.32

M5

0.8

9.75

2.4

3

6.48

6.45

10

9.78

4.5

4.32

M6

1

11.25

3.3

4

7.98

7.95

13

12.73

5.5

5.32

M8

1.25

13.25

4.2

5

9.98

9.95

16

15.73

7

6.78

M10

1.5

16.4

4.9

6

11.98

11.94

18

17.43

9

8.78

M10

1.5

16.4

4.9

6

12.98

12.94

18

17.43

9

8.78

M12

1.75

18.4

6.6

8

15.98

15.94

24

23.67

11

10.73

M16

2

22.4

8.8

10

19.98

19.92

30

29.67

14

13.73

 

Zeyao Factory Advantages

 

our team1

Extensive Production Experience

With 19 years of experience in fastener manufacturing, we are proficient in the design, manufacturing, and process optimization of various bolts, including standard bolts, non-standard bolts, and bolts made of special materials. We maintain long-term partnerships with over 3500+ clients, providing professional solutions for diverse industries.

Cold forging

Advanced Production Equipment

Our factory is equipped with over 160 modern production lines, including CNC turning machines, CNC milling machines, automatic thread processing equipment, and heat treatment furnaces, enabling high-precision and high-efficiency production. Whether it's small-batch customization or large-volume orders, we guarantee accurate dimensions and consistent thread standards.

Projector

Strict Quality Control System

Every batch of bolts undergoes rigorous quality testing, including dimensional measurement, tensile testing, hardness testing, and surface treatment inspection. We are certified to ISO9001 and other quality system standards, ensuring that every product meets international standards and satisfies our customers' high requirements for performance and reliability.

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Advantages of Other Bolts

 

Stainless Steel U Bolt

 

Stainless steel U bolts have many advantages, including:


Long-Term Durability: Stainless steel U-bolts are resistant to the wear and tear caused by environmental factors, meaning they’ll last longer than regular steel or galvanized bolts.


Ease of Use: They’re easy to install and require minimal maintenance, making them user-friendly for both professionals and DIYers.


No Rusting or Corrosion: Especially in wet, salty, or chemical-exposed environments, stainless steel U-bolts are far superior to alternatives made of mild steel or other materials that rust.


Load-Bearing Capacity: Stainless steel U-bolts are designed to handle heavy-duty applications. Whether securing large pipes or heavy machinery, they’re up to the task.


Enhanced Performance in Extreme Conditions: Stainless steel is resistant to heat and cold, so these bolts can perform in extreme temperatures without losing integrity.

Stainless Steel U Bolt
Hex Socket Head Shoulder Bolt

Hex Socket Head Shoulder Bolt

 

Hex socket head shoulder bolts have many advantages, including:


High Strength and Durability: Hex socket head shoulder bolts are typically made from strong materials like steel or stainless steel, providing excellent load-bearing capacity and resistance to wear and tear.


Precise Alignment and Spacing: The unthreaded shoulder ensures accurate alignment and spacing of components, making them ideal for applications requiring close tolerances and precise movement.


Easy Installation and Tightening: The hex socket head allows for secure tightening with an Allen wrench or hex key, making them easy to install and remove.


Versatile Applications: These bolts can be used as shafts, dowels, guides, or pivot points in various applications, from machinery and robotics to aerospace and automotive.


Resistance to Wear and Tear: The smooth, unthreaded shoulder reduces friction and wear on mating components, contributing to longer equipment life.

T Head Bolt

 

T head bolts have many advantages, including:


High-Pressure Bearing Capabilities: T-bolts are engineered to handle heavy loads and high stress, making them ideal for applications that require strong pressure-bearing capabilities. Their unique T-shaped head effectively distributes load across the fastener, minimizing the risk of failure under heavy loads by evenly spreading tension.


Large Diameter and Sturdy Construction: A key feature of T-bolts is their larger diameter compared to regular bolts. This larger diameter enhances their strength and stability, allowing them to support heavier loads without bending or breaking.


Resistance to Vibrations and Corrosion: T-bolts are designed to withstand harsh conditions, including high-vibration environments, preventing loosening due to vibrations. Made from materials that resist corrosion, T-bolts last longer even in tough environments.


Uniform Tension Distribution: The T-shaped head of a T-bolt ensures uniform tension distribution. When tightened, the design evenly applies force, enhancing the structure’s overall integrity. This uniform tension is crucial in applications requiring tight tolerances and precise alignment, contributing to the durability and longevity of the structures they secure.

T-Slot Bolts

 

Installation Precautions for Stainless Steel U Bolts (Other Bolts)

 

Use Proper Tools

Make sure you have the correct wrenches, sockets, or torque wrenches to tighten the U-bolt without damaging it.

01

Ensure Alignment

When installing a U-bolt, make sure the object you're securing is properly aligned. Misalignment can lead to uneven stress and a potential failure.

02

Lubricate Threads

Applying anti-seize lubrication to the threads helps prevent galling and ensures smooth installation, especially in high-stress applications.

03

Tighten Evenly

When tightening U-bolts, do so evenly across all threads to distribute the load properly.

04

Check After Installation

After installation, inspect the U-bolt to ensure it’s secure and there’s no wobbling or shifting.

05

 

 
Ordering Process
 
01/

Drawings or Samples: We get the drawings or samples from customers.

02/

Drawings Confirmation: We will draw the drawings according to the customers' 2D drawings or samples,and send the drawings to customers for confirmation.

03/

Quotation: We will quote after getting the customers' confirmation,or quote directly according to customers' drawings.

04/

Making Moulds/Patterns: We will make moulds or pattens after getting the mold orders from the customers.

05/

Making Samples: We will make real samples using the moulds and send to customers for confirmation.

06/

Mass Producing: We will produce the products after getting the customers' confirmation and orders.

07/

Inspection: We will inspect the products by our inspectors or ask the customers to inspect together with us when finished.

08/

Shipment: We will ship the goods to the customers after getting the inspection result ok and the customers' confirmation.

 

Packaging and Shipping

Packaging

Plastic bag + outer carton + pallets

Shipping

We will help you to choose the best shipping way according to your detail requirements. By sea, by air, or by express, etc.

 

Our Service

Our team will follow your project requirements and make an expert suggestion to make sure you get exactly what you need. We also offer detailed product information and samples so you can feel confident in your decision. And if you're unsure about anything, don't hesitate to reach out-we're happy to answer your questions.

During producing, we keep you updated on your order status, ensuring timely delivery. We're committed to making sure everything goes as planned and that you're satisfied with your purchase experience.

Our service doesn't stop after you receive your fasteners. If you run into any issues or have questions about how to use the products, we're available to help. Our goal is to ensure that you're completely satisfied with both the products and the service we provide.

 

 

Our Certificate

 

productcate-1-1

 

 

FAQ

 

Q: What is a stainless steel U bolt?

A: A stainless steel U bolt is a U - shaped fastener made of stainless - steel material. It is used to secure objects or components in place by wrapping around them and tightening with nuts and washers.

Q: How do you choose the right size of a stainless steel U bolt?

A: Consider the diameter of the pipe, rod, or object that the U - bolt will surround. The length of the U - bolt should be sufficient to allow for proper tightening with nuts and washers, taking into account the thickness of the components being secured.

Q: What are the different grades of stainless steel used for U - bolts?

A: Common grades include 304 and 316 stainless steel. Grade 304 offers good general - purpose corrosion resistance, while grade 316 has enhanced resistance to chloride - induced corrosion, making it more suitable for marine and highly corrosive environments.

Q: Are stainless steel U bolts reusable?

A: They can be reused if they are not damaged or corroded. However, it's important to inspect them carefully for any signs of wear or damage before reuse. In some cases, it may be advisable to replace them if they have been subjected to high stress or harsh conditions.

Q: How do you prevent stainless steel U bolts from loosening?

A: Thread - locking compounds can be applied to the threads of the U - bolt and nuts. Lock washers can also be used to provide additional resistance to loosening, especially in applications where vibration is a factor.

Q: Do stainless steel U bolts require any special tools for installation?

A: A wrench is the main tool required for tightening the nuts. For larger or high - torque applications, a torque - wrench may be used to ensure proper tightening. In some cases, a vise or other clamping device may be helpful for holding the U - bolt in place during installation.

 

Other Bolts - Huizhou Zeyao Hardware Products Co., Ltd.

Wing Head Thumb Bolt, other bolts, T Head Bolt
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