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.
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Square-Neck Carriage Bolts-Material:Steel 1018, steel 10B21, stainless steel, aluminum.view more
-Surface finish: Zinc plated, Zinc nickel plated, black oxide, Decromet
-Thread metric:M2,M3,M4,M5,M6,M8,M12
-Thread... -
Black Square Head Bolt-Material:Steel 1018, steel 10B21, SCM435 steelview more
-Surface finish: Zinc plated, Zinc nickel plated, black oxide, Decromet
-Thread metric:M2,M3,M4,M5,M6,M8,M12
-Thread... -
Hex Flanged Head Long BoltMaterial: 1035 steel, SCM435 steel, 45k steel, zinc nickel platingview more
Surface finish: Decomate coating, zinc flake coating
Salt spray time: Over 1000 hours of medium salt spray testing,... -
DIN603 Carriage BoltCarriage Bolt, Square Neck Boltview more
Thread Size: Metric & Inch
Material: Carbon Steel & Stainless Steel
Finish: Black, Nickel, Zinc, etc.
Head Type: Round Head -
IFI-115 12-Point Screw BoltHead type: 12-point flanged headview more
Drive Style: External 12 point
System of Measurement: Metric or inch
Threading: fully or partially threaded
Fastener strength:... -
Zinc Steel Eye BoltEye Bolt, Sheep Eey Screwview more
Thread Size: Metric & Inch
Material: Carbon Steel
Finish: Black, Nickel, Zinc, etc.
Head Type: Sheep Eye Head -
Wing Bolt Butterfly ScrewWing 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...view more
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Stainless Steel Step BoltsMaterial: High-quality stainless steelview more
Screw Diameter: Common sizes M6, M8, M10, M12, M16 (customizable)
Surface Treatment: Galvanized, passivated, black oxide, spray-coated, etc.... -
Stainless Steel U BoltThe 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...view more
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T-Slot BoltsThe 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...view more
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Hex Socket Head Shoulder BoltCompliant with DIN, ANSI, ISO, JIS standards, ISO 9001/IATF 16949 certifiedview more
Head Type: Stainless Steel, Carbon Steel, Alloy Steel, Brass, Aluminum, Plastic
Material:... -
T Head BoltThe 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...view more
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

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.

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.

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.
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.


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.

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
Drawings or Samples: We get the drawings or samples from customers.
Drawings Confirmation: We will draw the drawings according to the customers' 2D drawings or samples,and send the drawings to customers for confirmation.
Quotation: We will quote after getting the customers' confirmation,or quote directly according to customers' drawings.
Making Moulds/Patterns: We will make moulds or pattens after getting the mold orders from the customers.
Making Samples: We will make real samples using the moulds and send to customers for confirmation.
Mass Producing: We will produce the products after getting the customers' confirmation and orders.
Inspection: We will inspect the products by our inspectors or ask the customers to inspect together with us when finished.
Shipment: We will ship the goods to the customers after getting the inspection result ok and the customers' confirmation.
Packaging and Shipping
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Packaging |
Plastic bag + outer carton + pallets |
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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

FAQ
Other Bolts - Huizhou Zeyao Hardware Products Co., Ltd.
Wing Head Thumb Bolt, other bolts, T Head Bolt
