connecting nut

We offer the highest quality fasteners.

A2/A4(A2-70/A4-70(80))

DIN/ISO/National Standard/ASTM

-Almost all sizes are in stock. Quick delivery and bulk shipments.

Custom fasteners can be produced overnight if required

- HIGH QUALITY MATERIALS: our products are made from high quality materials such as stainless steel, galvanised steel and carbon steel. This ensures superior strength and durability, allowing them to withstand high loads and harsh conditions.

- PRECISION MANUFACTURING: Each nut is precision engineered to meet exacting specifications, providing consistent quality and reliable performance. Our manufacturing process follows strict industry standards.

- Multiple Applications: Connecting nuts provide a secure fastening solution in a variety of applications, making them ideal for a wide range of uses.

- Construction: In conjunction with bolts, steel beams and columns are firmly connected together so that the building structure can withstand a variety of external forces such as its own weight, wind loads, seismic forces, and so on.

- Automobile: connecting nut used to connect cylinder head and cylinder block.

- Industrial machinery: connecting nuts are used to fix various parts of machine tools, such as beds, tables, tool holders and so on.

Stainless steel joint nuts:

- Application: for firm fastening in automobiles, construction and machinery.

- Installation: Insert bolts or other fasteners for fastening.

Advantages: High strength and corrosion resistance to ensure stability and safety.

Zinc plated connecting nut:

- Application: for outdoor applications and environments with high corrosion potential.

- Installation: Insert bolts or other fasteners for fastening.

- Advantages: Enhanced corrosion resistance for use in harsh conditions.

Carbon steel joint nuts:

- Application: For general construction and automotive applications.

- Installation: Insert bolts or other fasteners for fastening.

- Advantages: Cost-effective, strong support, suitable for a wide range of applications.

Customised joint nuts:

- Application: Designed for specialised applications requiring unique specifications.

- Installation method: Custom fitted to meet specific application requirements.

- Advantage: Custom specifications to meet unique project requirements to ensure optimum performance.

Customisation Options:

- CUSTOM SIZES: We offer standard and custom sizes of nuts to meet specific project requirements. Our advanced machining capabilities ensure a perfect fit for your application.

- Material Options: Depending on the application and environmental conditions, we offer coupling nuts made from stainless steel, zinc-plated steel, carbon steel and other specialised materials.

- Finishes: For enhanced corrosion resistance and durability, we offer a variety of finishes, including zinc-plated, galvanised and custom-coated.

1. Material Selection: Select the suitable material according to the required strength and environmental conditions.

2. Cutting: Cut the material into the required shape and size.

3. Forging or Cold Heading: The raw material is quickly upset and extruded into the basic shape of the connecting nut by applying pressure to it through the dies of the cold heading machine.

4. Threading: Creation of precise threads to ensure a firm fastening.

5. Heat Treatment: Increase the hardness of the nut and adjust the toughness of the nut.

6. Surface treatment: Apply anti-corrosion coating. 7 .

7. Quality Inspection: Ensure that each nut meets strict quality standards.

8. Packaging: Packaging the finished nuts for shipment.

Connection nuts are manufactured and used around the world, adhering to various international standards to ensure compatibility and performance. Key standards include:

- ISO (International Organisation for Standardisation): ISO 898-1 provides guidance on dimensions, materials and mechanical properties to ensure global compatibility.

- DIN (German Standards Institute): DIN 787 outlines specifications for coupling nuts used in Europe, focusing on dimensional and material requirements.

- ANSI (American National Standards Institute): ANSI/ASME B18.2.1 specifies the North American standard for coupling nuts, detailing dimensional and form requirements.

- JIS (Japanese Industrial Standards): JIS B 1180 defines characteristics and test methods for Japanese coupling nuts to ensure quality and performance.

Common pairs of connecting nuts:

Connection nuts are commonly paired with a variety of fasteners to ensure a secure and reliable connection.

- Bolt: The bolt passes through the part to be connected and the coupling nut is tightened by rotation on the other side.

- Double studs: one end is screwed into the threaded hole of the part to be connected and the connecting nut is fitted to the other end.

Female fittings: the connecting nut is screwed onto the female fittings.