Shanghai Huiyi International Co., Ltd.
Shanghai Huiyi International Co., Ltd.
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Product Description:
The Round Nut is a type of internally threaded fastener featuring a circular shape, typically used in conjunction with bolts, threaded rods, or other male-threaded components. Known for its simple design and ease of installation, the round nut provides a reliable fastening solution in a wide range of industrial and structural applications.
Key Features:
Shape: Circular, with smooth or knurled outer surface depending on usage
Material Options: Carbon steel, stainless steel (304/316), brass, aluminum, or customized alloys
Thread Type: Metric or inch (UNC/UNF) threads available
Finish: Plain, zinc-plated, black oxide, hot-dip galvanized, nickel-plated, or as specified
Sizes: M4–M100 or customized to customer specifications
| Model | Thread Size | Outer Diameter (mm) | Height (mm) | Material | Finish |
| RN-M6-A2 | M6 × 1.0 | 10 | 5 | Stainless Steel 304 | Plain |
| RN-M12-ZP | M12 × 1.75 | 22 | 10 | Carbon Steel | Zinc Plated |
| RN-M24-HDG | M24 × 3.0 | 38 | 20 | Carbon Steel | Hot-Dip Galvanized |
| RN-M30-Black | M30 × 3.5 | 46 | 24 | Alloy Steel | Black Oxide |
| RN-M48-SLOT | M48 × 5.0 | 75 | 32 | Carbon Steel | Plain (Slotted) |
Applications:
Round nuts and other fasteners are essential in the assembly of industrial machinery and equipment, where precision, durability, and secure fastening are critical. They are commonly used to hold together components in manufacturing lines, heavy-duty machines, conveyor systems, and mechanical arms, ensuring reliable performance even under vibration or heavy load. Their ease of installation and compatibility with standard bolts make them ideal for both initial assembly and maintenance work.
In the automotive and aerospace industries, round nuts are used in applications requiring high strength, tight tolerances, and resistance to extreme conditions such as heat, vibration, and corrosion. They are found in engine parts, suspension systems, aircraft interior assemblies, and undercarriage fastenings, contributing to both safety and performance. High-grade materials and finishes ensure compliance with strict industry standards.
Round nuts are widely used in furniture manufacturing, especially in flat-pack or modular systems where easy assembly and disassembly are key. They are used in bookcases, bed frames, office desks, chairs, and other furniture items. Their smooth and compact design allows them to be embedded or hidden, contributing to both aesthetic appeal and structural stability.
In construction projects and steel structure fabrication, round nuts play a vital role in securely fastening beams, panels, railings, brackets, and joint systems. They are frequently used in commercial buildings, bridges, scaffolding systems, metal frameworks, and roofing assemblies. Their strong locking ability ensures long-term stability, even in outdoor or high-load environments.
Round nuts are used in plumbing systems and electrical installations to secure components such as pipe flanges, valve bodies, control boxes, and junction enclosures. They provide tight, leak-proof connections in both water and gas systems, while also offering firm fastening for electrical panels and cable management systems. Corrosion-resistant coatings make them suitable for both indoor and outdoor use, including in industrial plants and infrastructure projects.
FAQ
Q1: What is a round nut used for?
A: A round nut is used to securely fasten threaded components such as bolts or rods. It is commonly applied in machinery assembly, furniture, steel structures, and pipe fittings where smooth external surfaces or hidden fastenings are preferred.
Q2: What materials are round nuts typically made from?
A: Round nuts are commonly manufactured from carbon steel, stainless steel (304/316), brass, aluminum, and sometimes alloy steel, depending on the required strength and environmental resistance.
Q3: Are round nuts available in different thread types?
A: Yes, round nuts are available in both metric and imperial (UNC/UNF) thread standards. Custom thread pitches can also be manufactured on request.
Q4: Can round nuts be used in high-temperature or corrosive environments?
A: Absolutely. For such environments, round nuts made from stainless steel or treated with corrosion-resistant coatings like zinc plating or galvanization are recommended. For high-temperature use, heat-resistant alloys may be necessary.