







Steel support nuts are the essential pillars of connectivity and fastening in robust steel support systems, crucial for engineering marvels such as building foundation pit reinforcements and majestic bridge constructions. Below is a comprehensive exploration from several unique perspectives:
• Structure and Materials
Structure: Predominantly hexagonal or circular, these nuts feature an interior thread designed to seamlessly integrate with the accompanying steel-supported screw, securing through rotational motion. A thoughtfully designed stiffening rib plate often graces one end, enhancing the contact area and stress stability between the nut and the steel support. Some variants boast strategic protrusions or grooves, enabling synergistic use with tailored gaskets to ensure steadfast resistance to loosening.
Material: Crafted from high-strength steels such as 45# steel and Q345 steel, these nuts undergo rigorous forging, heat treatment, and other sophisticated processes to elevate their strength and toughness, meeting the stringent engineering demands for structural stability and safety.
• Function and Features
Load Transmission: Within the steel support ecosystem, these nuts serve as a crucial conduit, channeling axial force from the support to the myriad components of the steel framework through precise threaded engagement, ensuring an evenly distributed load and unwavering system stability.
Adjusting Length: A simple twist of the nut allows for fine-tuning the length of the steel support, enabling a snug fit to the foundation pit or varied construction fragments, thus ensuring optimal support efficiency and alignment with diverse engineering dimension requisites.
Tightening and Anti-loosening: Harmoniously paired with gaskets and bolts, these nuts fortify the connections, safeguarding against dislodgement or detachment of steel support components under the duress of vibration, stress, and other construction-induced forces, thereby bolstering construction safety.
• Application Scenarios
Building Foundation Pit Support: In the realm of deep foundation pit construction, these steel support nuts anchor the steel support to the encircling structure, valiantly resisting soil and water pressures, preserving the pit's stability, and securing the safety of ensuing underground structural developments.
Tunnel Construction: In the early support and temporary fortification phases of tunnel construction, these nuts adeptly connect supporting elements such as steel arches and pipes, furnishing a steadfast workspace that precludes collapse incidents during tunnel advancement.
Bridge Engineering: Throughout formwork stabilization, temporary supports, and other pivotal phases of bridge construction, steel support nuts act as guardians of structural integrity, facilitating seamless pouring and installation processes for bridge components.