Minimum Order : 50 piece
Customization as per requiments
| Size | M2 to M100 |
| Type | Bolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners |
| Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
| Length | 3-200mm |
| Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
Delta Fitt Inc. is one of the top Hex Coupling Nuts Manufacturer that is specialized in the manufacture of high precision and durable coupling solutions that are used to connect two threaded rods. They are produced with superior materials, which include stainless steel, carbon steel, alloy steel, and brass and are good in terms of strength, corrosiveness, and service life. They are constructed in a common hexagonal shape to be easily wrenched, and therefore find their use in projects where there is a need to have longer rod extensions or alterations in structural and mechanical systems. Having different sizes, threads, and finishes, these coupling nuts can be used in any industrial setting and are guaranteed to perform reliably under severe conditions.
The Hex Coupling Nuts are now needed in the B2B business sector, as they are an important part of the construction, automotive, manufacturing, and machinery industries to allow their alignment, extension, and repair operations. Their exact threading and strong construction makes them stable and accurate in assembling long rods and hence have been very popular among engineers and project managers. These nuts have a constant load distribution and simplification of installation, which play a role in the efficient execution of a project in large industrial systems. Their flexibility and dependability ensure that they are a valuable fastening product to a company that requires a high performance and robust connecting hardware. We supply Hex Jam Nuts engineered for tight locking against standard nuts, ensuring secure fastening in vibration-prone environments.
Made for corrosive environments, these nuts are ideal for plumbing, marine, and food grade installations. They offer long term durability and resistance to chemicals, moisture, and salt spray. Preferred in outdoor tensioning and rod extension systems.
Zinc coated for rust protection, these are commonly used in construction and HVAC applications. Their economic cost and solid corrosion resistance make them ideal for temporary structures and threaded rod installations in exposed environments.
What materials are commonly used to manufacture hex coupling nuts?
Hex coupling nuts are manufactured from stainless steel, galvanized steel, alloy steel, brass, and copper. Stainless steel is corrosion-resistant and ideal for chemical and marine applications. Galvanized steel offers protection against rust and is used in construction and outdoor environments. Alloy steel provides excellent strength for high-load structural connections. Brass and copper variants are used in electrical and decorative applications where conductivity or appearance is prioritized. Material selection depends on load, environment, and required durability.
Which international standards govern hex coupling nut design?
Hex coupling nuts are produced according to ASTM A563 (U.S.), DIN 6334 (Germany), and IS 1364 (India), ensuring quality, thread consistency, and dimensional reliability. These standards specify outer dimensions, thread pitch, mechanical properties, and tolerance levels. Compliance ensures interchangeability, safe installation, and durability across applications like structural assemblies, tensioning systems, and rod extensions. Standard adherence is critical for large-scale industrial projects to ensure quality assurance and component compatibility.
How are hex coupling nuts different from regular hex nuts?
Unlike regular hex nuts, hex coupling nuts are longer in length and are internally threaded throughout. They are designed specifically to connect two threaded rods or fasteners in a straight line. While a regular hex nut is used to secure a single bolt or screw, a coupling nut provides an extended connection — ideal for applications requiring rod lengthening or precise alignment. Their length also allows for greater engagement of threads, offering better load distribution and mechanical strength.
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