







Rectangular nuts are a rarity in the industrial landscape, bringing with them a world of potential. Below is an in-depth exploration, touching upon various critical dimensions of these unique components:
• Shape and Structure: Characterized by a distinctive rectangular form, these nuts feature two pairs of opposing sides, each differing in length—offering a flatter and more streamlined profile compared to their square counterparts. At the heart of the nut lies an internal threaded hole, typically conforming to thread specifications ranging from M3 to M12. The position of this threaded hole is adaptable, allowing designs to be centered or off-center, catering to diverse bolting needs and ensuring an impeccably snug fit between components.
• Specification and Size: The dimensions of these nuts are typically versatile, with the long side measuring between 15-50mm, the short side spanning 8-25mm, and a thickness ranging from 5-15mm. For optimal performance, selecting the correct size is paramount, taking into account both the assembly space and the stress conditions to ensure unwavering connection reliability and stability.
• Manufacturing Materials: Like many nuts, rectangular nuts are predominantly crafted from robust metal materials. Carbon steel stands as the most common choice, prized for its strength and hardness, capable of withstanding substantial fastening forces in general industry. For environments demanding high adaptability, stainless steel is favored for its superior corrosion and rust resistance. Meanwhile, copper alloys, celebrated for excellent conductivity and thermal performance, find their place in electrical equipment and similar fields.
Manufacturing Process: The production of rectangular nuts typically employs stamping technology, where metal sheets are molded into desired shapes, followed by thread tapping. This method boasts high efficiency, ideal for mass production. For nuts requiring precision or unique specifications, CNC lathes provide meticulous turning processes, ensuring dimension accuracy and surface finesse. Further, surface treatments like galvanizing, nickel plating, or blackening elevate the nut's wear resistance, corrosion resilience, and visual appeal.
Application Scenarios: The distinct shape of rectangular nuts lends itself to specific assembly environments, excelling in tight spaces where installation direction is critical. Their form adapts seamlessly to confined spaces, and in structures necessitating horizontal fixation or positional adjustments, they offer precise installation via longitudinal positioning. Often employed in rail connections for mechanical systems and frame securing in electronic devices, rectangular nuts hold a unique niche in versatile applications.
Performance Characteristics: Distinguished by their shape, rectangular nuts deliver a broader contact surface when tightened, which is invaluable in applications demanding even force distribution. They adeptly diffuse pressure, minimizing local stress, and enhancing connection reliability. Additionally, they provide guidance and limitation in directional movement scenarios. Despite their advantages, they pose challenges, such as less uniform force application with wrenches compared to hexagonal nuts and potential operational convenience trade-offs.