







Rectangular nuts, though not commonly seen in the industrial realm, bring a unique advantage to applications. Let's delve into their distinctive features across various aspects:
• Shape and Structure: Featuring a distinctive rectangular form, these nuts boast two pairs of parallel sides with differing lengths—one long and one short. Unlike their square counterparts, they present a more streamlined and slim appearance. A central or optionally offset internal threaded hole, usually sized between M3 and M12, allows for seamless integration with diverse bolt types, ensuring a robust component connection tailored to your specific needs.
• Specification and Size: The dimensions of these nuts are thoughtfully designed, with long sides ranging from 15-50mm, short sides from 8-25mm, and thickness between 5-15mm. Choose the ideal size based on your assembly space and stress requirements to guarantee a secure and stable connection every time.
• Manufacturing Materials: Like typical nuts, rectangular nuts are crafted from metals. Carbon steel is preferred for its superior strength and hardness, making it apt for general industrial use. Stainless steel, known for its outstanding rust and corrosion resistance, excels in challenging environments, including humid and corrosive atmospheres. Copper alloy variants, prized for excellent electrical and thermal conductivity, find their place in electrical applications.
Manufacturing Process: With a focus on efficiency, these nuts are typically manufactured using stamping techniques that mold metal sheets into the desired rectangular shape, followed by threading processes. This method supports high-volume production. For special specifications or precision demands, CNC lathes ensure precise dimensions and impeccable surface quality. Surface treatments like galvanizing, nickel plating, and blackening enhance wear resistance, corrosion resistance, and visual appeal.
Application Scenarios: The specialized shape of rectangular nuts provides unique advantages in particular environments, such as confined spaces requiring specific installation directions. They excel in tight spaces, offering precise positioning and fixation for structures needing horizontal adjustment. Perfect for rail connections in machinery and frame stabilization in electronic devices, they are indispensable in various scenarios.
Performance Characteristics: The distinctive design of rectangular nuts ensures a greater contact area when tightened, effectively distributing force in applications demanding optimal pressure dispersion. This reduces stress concentration, enhancing connection reliability. In components requiring directional movement restrictions, their shape serves as a guiding and limiting force. Despite the advantage, they may lack the uniform force application and operational ease of hexagonal nuts when used with tools like wrenches.