Sanwei – Your Professional Bolt Manufacturer
Hebei Sanwei Fasteners Co., Ltd. is a high-tech company specialized in the research, development, production, and sale of fasteners in Hebei Province, China. Since our establishment, we have been dedicated to providing customers with high-quality, high-performance fastener solutions for various industries.

OEM/ODM Service
Our customised fasteners are made to your special requirements. It can be fully threaded or partially threaded, and the thread, driving method, material, length, head shape, plating and all these can be specially designed according to your needs.

Advanced CNC Machining Technology
From material selection to finished products, Handan Sanwei provides comprehensive customized solutions. With precise CNC machining capabilities, we can meet diverse precision requirements and deliver consistent quality you can trust.

Strong engineering design team
Our company has an excellent and professional engineering team, and a number of technicians are elites in the industry. The staff always strives to explore new methods and technologies. From the selection of metals and special alloy materials to the finished fasteners, we can solve all aspects of the whole project engineering.

Digital Quality Control System
We rely on our self-developed full-process digital quality inspection system to strictly control every step from raw materials entering the factory to finished products being shipped. This system will always monitor the quality of the products to ensure that each batch of products meets the industry standards and complies with customer requirements.
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304 Stainless Steel Hex Nuts, DIN934 Standard, M3-M36Details:product Corrosion Rust Resistant Made of 304 stainless steel, moisture-proof and anti-oxidation, hardly rusty in humid outdoor environments. Stable Hardness High toughness and strong clamping
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304 Stainless Steel Hex Nuts, DIN934 Standard, M3/M4/M5/M6product Corrosion Rust Resistant Made of 304 stainless steel, moisture-proof and anti-oxidation, hardly rusty in humid outdoor environments. Stable Hardness High toughness and strong clamping force,
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Butterfly Nut M8 Wing NutsStandard: DIN315 . Name:Butterfly Nut Wing Nuts. Material: Carbon Steel,304,306 stainless steel. Grade:Din .
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M6 Zinc Plated Hex NutsStandard: DIN985. Name: Hex nut. Material: Carbon Steel,304,306 stainless steel. Grade:Din .
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Hex Lock NutStandard: DIN985. Name: Hex lock nut. Material: 304 stainless steel. Grade:A2-70.
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Hexagon Anti-loosening Lock NutStandard: GB6184/DIN980. Name:Hexagon anti-loosening lock nut . Material: Stainless steel.
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Black Hex NutStandard: GB6170-86. Name: Black Hex Nut. Material: Carbon steel.
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High Strength Hexagon Nuts DIN934Standard: DIN 934. Name: Hexagon Nuts. Material: carbon steel,Stainless Steel and alloy steel,etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8,SS201,SS304,SS316
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Stainless Steel Hex NutStandard: DIN934. Name: Stainless steel hex nut. Material: carbon steel and alloy steel, etc.. Grade: 4.8 grade, 5.8 grade, 8.8 grade
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Hexagon Flanged Nuts DIN6923Standard: DIN 6923. Name: Hexagon Flanged Nuts. Material: carbon steel,Stainless Steel and alloy steel,etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8,SS201,SS304,SS316
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Hex NutStandard: DIN934. Name: Hex nut. Material: 304 stainless steel. Grade: Grade 4.8, Grade 5.8, Grade 8.8, Grade 10.9, Grade 12.9
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Square Weld Nut DIN928Standard: DIN 928. Name: Square Weld Nuts. Material: carbon steel,Stainless Steel and alloy steel,etc.. Grade: Grade 4.8, Grade 5.8, Grade 8.8,SS201,SS304,SS316


Specification
|
Product name |
Nut |
|
Standard |
DIN934/DIN985/DIN986/DIN6923/GB6170/ASME/ANSI B18.2.2 |
|
Grade |
Grade 4.8, Grade 5.8, Grade 8.8,SS201,SS304,SS316 |
|
Material |
Carbon steel,Stainless Steel and alloy steel,etc. |
|
Packing |
Carton + Woven Bag +Pallet |
|
Nominal diameter |
M4-M36 |
|
Pitch |
0.4-5 |
|
Surface treatment |
ZP,YZ,BLACK |
|
Place of origin |
Hebei, China |
|
Standard |
ISO,DIN, ANSI/ASME, JIS ,GB, DIN, ISO, ANSI, BS, JIS, GB |
Application of Nut




Nuts are critical in construction and infrastructure projects. They are used to join steel beams, columns, and other structural elements in buildings, bridges, and other structures. Here are some key applications:
Steel Framework
In steel construction, nuts are used to connect beams and columns, forming the skeleton of buildings and bridges.
Concrete Anchoring
Nuts are also used to anchor structures to concrete foundations. Anchor bolts, which are embedded in concrete, provide a secure base for various construction elements, ensuring stability and safety.
Railway and Highway Construction
Nuts are essential in the construction of railways and highways. They secure tracks, guardrails, and other critical components, ensuring the safety and durability of transportation infrastructure.
The automotive and aerospace industries rely heavily on nuts for assembling vehicles and aircraft. Precision and reliability are crucial in these applications:
Engine Components
Nuts are used to secure various engine components, including cylinder heads, manifolds, and engine mounts. High-temperature and high-strength materials are often required to withstand the demanding conditions within engines.
Chassis and Suspension Systems
In vehicles, nuts are used to assemble chassis and suspension systems. These connections must withstand vibrations, impacts, and dynamic loads, requiring high-strength fasteners for safety and performance.
Aircraft Assembly
In the aerospace industry, nuts are used in the assembly of airframes, wings, and other critical components. Aerospace-grade fasteners are designed to meet stringent standards for strength, weight, and corrosion resistance.
Nuts are widely used in the assembly and maintenance of machinery and equipment across various industries:
Manufacturing Equipment
In manufacturing, nuts are used to assemble and maintain machinery, including conveyor systems, robotics, and production lines. These fasteners must provide reliable connections that can withstand repetitive use and mechanical stress.
Agricultural Machinery
Agricultural equipment, such as tractors, harvesters, and plows, rely on nuts for assembly and maintenance. These fasteners must withstand harsh environmental conditions, including moisture, dirt, and mechanical loads.
Heavy Equipment
In industries such as construction, mining, and forestry, heavy equipment relies on nut fasteners for assembling components and ensuring structural integrity. These applications often require high-strength and corrosion-resistant fasteners.
In everyday life, nuts are commonly used in household repairs, furniture assembly, and DIY projects:
Furniture Assembly
Many pieces of furniture, such as beds, tables, and chairs, are assembled using nuts. These fasteners provide sturdy connections that can be easily tightened or loosened as needed.
Home Repairs
Nuts are often used in home repairs, such as fixing cabinets, shelves, and fixtures. Their versatility makes them ideal for a wide range of repair tasks.
DIY Projects
DIY enthusiasts frequently use nuts for various projects, from building custom furniture to constructing outdoor structures. Their availability in various sizes and materials makes them suitable for diverse applications.
Types of Nut

Lock Nuts
Lock nuts utilize friction between the nut and bolt to self-lock, ensuring the stability of the connection. In some critical applications, additional anti-loosening measures may be taken to ensure the reliability of nut locking. Lock nuts are widely used in industries such as machinery to secure threaded pipe fittings or other components, ensuring stable and safe connections.
Flange Nuts
Flange nuts, also known as flanged nuts, washer-faced nuts, serrated flange nuts, or hex flange nuts, feature a wide flange at one end, which effectively acts as an integrated washer. When the nut is tightened, this flange distributes pressure evenly across the secured component, reducing the risk of damage due to excessive pressure and increasing the stability of the entire connection.


Hex Nuts
Hex nuts are named for their hexagonal shape, featuring six equal sides and angles. This design allows them to be easily tightened or loosened using tools such as wrenches or screwdrivers.
Wing Nuts
Wing nuts feature a wing-shaped structure with wings on each side of the nut, allowing them to be easily rotated by hand without the need for tools. This makes them particularly suitable for use on equipment that requires frequent disassembly or fastening. Their design enables quick and convenient operation.

Packaging and Shipping


FAQ
We're professional nut manufacturers and suppliers in China, specialized in providing high quality products and service. We warmly welcome you to wholesale customized nut made in China here from our factory. Contact us for quotation.


