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Custom Square nut

Committed to the production of carbon steel and stainless steel fasteners, stamping parts and non-standard custom parts.


Founded in 2003, Haiyan Yuanda Metal Products Co., Ltd. is a China Square nut Manufacturers and Wholesale Square nut Suppliers dedicated to the production of carbon steel and stainless steel fasteners, stamping parts and non-standard custom parts. The annual production capacity can exceed 5,000 tons, strong technical force, complete production equipment, reliable product quality, good mechanical performance, widely used in construction, machinery, auto parts, breeding and other industries.

  • Customized Service
    Customized Service

    We mainly make customized products, we develop and produce products according to the drawings or samples provided by customers.

  • Quality Guarantee
    Quality Guarantee

    Quality Guarantee Quality Guarantee Yuanda after more than 20 years of technology accumulation and precipitation for the industry to improve performance cost reduction contributed to the strength of many years of market.

  • Production Capacity
    Production Capacity

    We have complete production equipment, with an annual output of more than 5,000 tons, which can meet the needs of customers with different purchase volumes.


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Industry Knowledge Extension

What are the advantages of using square nuts over other types of nuts?

Anti-Rotation Properties: One of the main advantages of square nuts is their ability to resist rotation when tightened. The flat sides of the square shape prevent the nut from turning easily, providing better security in applications where vibration or movement is a concern. This can be especially useful in machinery and equipment assembly.
Ease of Installation: Square nuts can be installed using just one wrench or pliers. Unlike hex nuts, which require two wrenches to tighten or loosen, square nuts can be easily held in place with one tool while the other side is turned. This can save time and effort during installation.
Tightening in Confined Spaces: Square nuts can be tightened in tighter spaces compared to hex nuts. Their design allows for greater torque to be applied without needing as much rotational clearance. This can be advantageous when working in areas where access is limited.
Increased Load Distribution: The flat sides of square nuts provide a larger contact area when tightened against a surface. This larger contact area can help distribute the load more evenly, reducing the likelihood of damage to the material being fastened.
Visual Aesthetics: In certain applications, the square shape of the nut can provide a unique visual aesthetic, which might be preferred in architectural or design-oriented projects.
Prevention of Over-Tightening: The flat sides of square nuts can make it easier to gauge the amount of torque applied during tightening. This can help prevent over-tightening, which could potentially damage the fastened components.
Specialized Applications: Square nuts are commonly used in specific applications, such as woodworking and furniture assembly, where their anti-rotation properties and ease of installation are particularly beneficial.
Historical and Traditional Use: In some cases, square nuts might be used due to historical or traditional reasons, especially in restoration projects or industries that have long-standing practices.

Can square nuts be used with regular bolts, or do they require special bolts?

Square nuts can indeed be used with regular bolts, but they are typically designed to work with square-headed bolts, also known as square bolts or carriage bolts. The square shape of the nut is intended to prevent it from rotating when the bolt is being tightened or loosened, which can be especially useful in applications where you want to prevent the nut from turning, such as when assembling furniture or machinery.
Square nuts are often used in conjunction with square-headed bolts, as the design of the square head and the square nut work together to create a secure connection. This combination is commonly used in woodworking and construction applications.
If you try to use square nuts with regular hexagonal-headed bolts (common bolts with six-sided heads), the nuts may not provide the same level of security against rotation, which could potentially lead to loosening over time. In such cases, it's generally better to use regular hex nuts that are specifically designed for use with hexagonal bolts.
While square nuts can technically be threaded onto regular bolts, they are most effective and secure when used with square-headed bolts designed for that purpose.