Your Professional Nut Supplier
Ningbo Guohao Electro-Hydraulic Engineering Co., Ltd. has over 15 years of manufacturing experience. We combine strong technical expertise, advanced precision production equipment, and specialized hydraulic cylinder and system engineering capabilities. Our main products include hydraulic connectors, flanges (both welded and threaded), hydraulic hose connectors, nuts, and CNC machined parts. We sincerely welcome global customers and industry partners to visit our factory and explore collaborative opportunities.
-
![Barrel Nut]()
Barrel NutBarrel nuts are a versatile and practical fastener with a wide range of applications, offering several advantages in terms of strength, appearance, and ease of use. Their different types andread more -
![Capnuts]()
-
![Domed Nut]()
-
![Hex Bolt Nut]()
Hex Bolt NutHex bolt nuts, also known as hexagonal bolt nuts, are essential fasteners widely used in various industries. The hexagonal shape of the nut provides six flat sides, allowing for easy tightening andread more -
![Hex Head Barrel Nut]()
Hex Head Barrel NutA hex head barrel nut is a type of fastener with specific characteristics and uses. The hex head refers to its six-sided head shape, which allows for easy tightening and loosening with a wrench orread more -
![Hex Nut]()
-
![Hex Nut Screw]()
Hex Nut ScrewHex nut screws are a versatile and widely used type of fastener with numerous advantages. Their ease of use, high torque transmission, versatility, and cost-effectiveness make them suitable for aread more -
![Hexagon Cap Nut]()
Hexagon Cap NutA hexagon cap nut, also known as a dome nut or cap screw nut, is a type of fastener with several distinct features. Externally, it has a hexagonal shape on the bottom part, which allows it to beread more -
![Long Hex Nut]()
Long Hex NutA long hex nut is a type of fastener widely used in various mechanical and construction applications. It features a hexagonal shape, which allows for easy tightening and loosening with a wrench orread more -
![Metric Nuts]()
Metric NutsMetric nuts are an essential component in the world of mechanical and engineering applications. They are part of the metric system of measurement, which is widely used around the globe.read more -
![Stainless Steel Nut]()
Stainless Steel NutA stainless steel nut is a crucial fastener widely used in various industries. Made from stainless steel alloys, it offers excellent corrosion resistance, making it suitable for both indoor andread more
Why Choose Us
Extensive Experience
With over 15 years of experience in the manufacturing industry, we have accumulated extensive practical experience in production process optimization and quality control systems. We are able to efficiently address various technical issues during the production process and effectively ensure the consistent and stable quality of our products.
Customized Services
We provide customized solutions, encompassing design and manufacturing, dedicated to meeting the individual needs of customers in various industries in terms of functionality, specifications, and application scenarios.
Advanced Equipment
We are equipped with internationally advanced precision machining equipment, which significantly improves production efficiency and product accuracy, ensuring that our products meet high standards in dimensional tolerances and overall quality, thereby enhancing our products' competitive advantage in the market.
Specification
|
Product name |
Nut |
|
Standard |
DIN933/931/6921/ 603/GBWM/ASME |
|
Grade |
Grade 4.8, Grade 5.8, Grade 8.8,SS201,SS304,SS316 |
|
Material |
Carbon steel,Stainless Steel and alloy steel,etc. |
|
Nominal diameter |
M4-M36 |
|
Pitch |
0.4-5 |
|
Surface treatment |
ZP,YZ,BLACK |
Advantages of Nut
Ease of Use
Nuts are known for their ease of installation and removal. The threaded design allows for quick and simple fastening, and they can be easily loosened and tightened as needed.
Strong Connections
When used with appropriate bolts, nuts create secure and reliable connections, ensuring stability and preventing components from loosening or becoming detached.
Reusability
Unlike rivets, nuts can be removed and reused without damaging the materials being connected.
Versatility
Nuts come in various shapes, sizes, and materials (like steel, brass, or plastic), making them suitable for a wide range of applications, from home DIY projects to heavy-duty construction.
Aesthetics
Some nuts, like cap nuts, can be used to provide a finished, clean look, especially in applications where exposed fasteners are not desired.
Durability
High-quality nuts, especially those made from corrosion-resistant materials, can withstand harsh conditions and provide long-lasting performance.
Even Weight Distribution
When properly installed, nuts and bolts can distribute weight evenly among them, contributing to structural integrity.
Products Types of Nuts
Hex Nuts
Hex nuts are the most widely used nut. They feature a six-sided external surface and an internally threaded hole for use with matching bolts and other threaded hardware.
Coupling Nuts
Coupling nuts are extra-long nuts used to join externally threaded components. Two threaded parts such as threaded rods or hanger bolts are screwed into the opposing sides of the coupling nut, providing a strong and easily installed joint between parts.
Jam Nuts
Jam nuts are low-profile, half-height nuts used to prevent the loosening of bolted joints. Jam nuts are installed on a bolt or threaded rod before a full-size nut. They are usually tightened to between 25% and 50% of the joint's desired torque.
Lock Nuts
Lock nuts, also known as self-locking nuts, prevailing torque nuts, or nyloc nuts, are similar to standard hex nuts with the addition of a nylon or metal insert. The insert deforms when the nut is installed, increasing the prevailing force required to install the nut and its ability to resist loosening.
Nut Material
| Carbon Steel | Ideal for general-purpose fastening. |
| Stainless Steel | Offers excellent corrosion resistance. |
| Alloy Steel | Ensures high tensile strength for demanding applications. |
| Brass | Commonly used in electrical applications for its conductivity. |
Nut Grades and Standards
|
Nut Grades and Standards |
Description |
|
Nut Grades |
|
|
Grade 2 |
Standard strength for low-stress applications. |
|
Grade 5 |
Medium-strength nuts for automotive and machinery use. |
|
Grade 8 |
High-strength nuts for heavy-duty applications. |
|
Industry Standards |
|
|
ASTM |
American Society for Testing and Materials – Ensures compliance with high-quality material standards. |
|
ISO |
International Organization for Standardization – Guarantees adherence to global quality benchmarks. |
Industries That Use Nuts
Agriculture
Nuts are employed in the agricultural sector in grain bins, drying units, buildings, and field irrigation and filtration systems.
Automobile/ Transportation
Many different types of vehicles, such as cars, trucks, airplanes, and specialized construction machinery, are put together with the help of nuts.
Building & Construction
Nuts are essential to the integrity of scaffolding and other support structures used in building and construction applications.
Chemical refining
High performance, corrosion-resistant materials like stainless steel, tool alloys, and exotic metals are used in the nuts in chemical refineries. They are used in machines such as processing systems, tanks, and heat exchangers.
Marine
To withstand the prolonged exposure to saltwater that marine decks, ramps, bulkheads, and tanks experience, nuts used in the marine sector must have good corrosion resistance. Marine nuts frequently consist of materials like aluminum and stainless steel.
Military
Military nuts are made to withstand harsh conditions, caustic substances, and high temperatures. Heat exchangers, machinery motors and engines, and processing equipment are examples of frequent usage.
Oil & gas
Nuts used in the oil and gas industries must work consistently under extreme stress and corrosive circumstances, just like those used in the military. Drilling rigs, tanks, and pumps are a few examples of processing equipment where these nuts are used.
Electrical & Power generation
High strength and corrosion-resistant materials, such as aluminum, copper, nickel alloys, stainless steel, and other steel alloys, are used to make nuts for the power generation sector. Typical uses include motors and pumps, exhaust systems, electrical equipment, and storage containers.
Plumbing
Pipes are mechanically attached or joined together using pipe nuts, made of both high tensile and mild steel. Both industrial and domestic pipe fittings use a variety of nuts.
Fire Protection
Bolts begin to bend and shear at high temperatures because the metals begin to shrink as a result of the high temperature. When this occurs, the steelwork's structural integrity deteriorates. Due to this, it's crucial that the steel bolts used to assemble the steel are high-performance, insulated, and protected, such as with the help of bolt caps.
Order Process
Contact Customer Service
1
>>
Submit Order
2
>>
Obtain a Quote
3
>>
Confirm Order
4
>>
Arrange Payment
5
>>
Track Order
6
>>
Receive and Inspect Goods
7
Packaging and Shipping
|
Packaging |
Loose package, Wooden cases |
|
Transportation methods |
Road transport, rail transport, sea transport, air transport |
FAQ
We're well-known as one of the leading nut manufacturers and suppliers in China. If you're going to wholesale high quality nut, welcome to get more information from our factory. Also, custom service is available.
Barrel Nut, Long Hex Nut, Stainless Steel Nut