China hex coupling nuts customized quotes

  • China hex coupling nuts
  • China hex coupling nuts
  • China hex coupling nuts
Hex Coupling Nut
  • 7-35 DAYS
  • 3000 TONS

Material: Carbon Steel, Alloy Steel, Stainless Steel
Standard: ASME/ANSI B18.2.2; DIN934, DIN555
Measurement system: INCH, Metric
Size: 1/4''–1-1/2’’; M6 – M42
Grade / Class: SAE J995 Gr.2, 5,8; CL4, 5, 6, 8, 10, 12
Thread: M, UNC, UNF
Finish: Black Oxide, Zinc Plated(Clear/Blue/Yellow/Black),H.D.G , Y.Z.P ,Plain, Nickel, Chrome.

Hex Coupling Nuts are defined by their elongated hexagonal shape and used to connect two pieces of threaded material at opposite ends. A coupling nut has a sight hole which allows visual verifications that the threads are fully engaged.


Product name: Hex Coupling Nut


China hex coupling nuts



Product name

Hex Coupling Nut

Place of origin


Brand Name



Qingdao or according to requirement

Delivery time

Normally in 7-35 days, according to quantity


500kgs for each specification


According to customer’s requirement



Hex coupling nuts are used in the fastening fields of various metal sheets, pipes and other manufacturing industries, and are widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, railways, refrigeration, elevators, switches, instruments, furniture, and decoration. Developed to solve the shortcomings of thin metal plate, thin tube welding nut and easy to slip internal thread, it does not need to tap internal thread, no need to weld nut, riveting, high efficiency and easy to use.

Who We are

NEW STARWDH INDUSTRIAL CO.,LTD supplies the best fastener product solutions and quality fastener productsOur core products cover ASME/ANSI, DIN, JIS, ISO, GB and other standard products, relying on the company's strong technical team, equipment, resource integration capabilities, including: Bolts, Nuts, Machine screws, Self tapping screws , Self drilling screws, Thread rod, Washers, Anchor bolts and other products. We welcome the customization of our products and have a complete customized production system to meet the different needs of different customers for fastener products.

Quality control

our company strictly complies with ISO9001 system. All our products are subjected to strict test and inspection in each process by the workers periodically, starting from the raw materials delivered to the factory.

Packaging Details:

30,40,50CTNS/PALLET 15KGS/CTN0.35
36,48CTNS/PALLET  (10-22)KGS/CTN0.36


We have a complete warehouse management system, and automatically monitor the number of products, early warning of which products have been lower than our requirements, reminding our staff to do the stocking plan. This advantageously guarantees the delivery of the product.

We also accept customization order according to your samples and drawings


If you have other questions or concerns, please feel free to contact us.

Testing Equipment
Testing Equipment
Production flow chart
Production flow chart
Packaging details
Packaging details
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