Hexagonal Step Hollow Nut

Product introduction

The external hexagonal step hollow nut is not just a simple fastener, it is a precision mechanical part that integrates structural strength, functional integration and space optimization. It innovatively integrates the functions of traditional external hexagonal nuts, positioning bushings and wire loops, realizing multi-functional bearings in limited spaces. This product is made of high-quality steel, and its standard external hex head design ensures a perfect match with general tools (such as wrenches, sockets), providing excellent torsion resistance, making the installation and locking process stable and efficient. The core lies in its unique stepped structure. This finely machined cylindrical boss not only achieves precise positioning during installation and avoids misalignment, but also serves as an ideal support bushing to effectively share the radial force on the structure and accurately control the assembly gaps between components. The most ingenious thing is its through-hole design throughout. This central hole breaks the physical limitations of the solid nut. It can be a protective channel for cables and optical fibers, a sliding bearing for a small-diameter shaft, or a crossing interface for pneumatic pipelines and hydraulic oil lines. This design greatly simplifies the overall structural layout and eliminates the trouble of installing additional guide sleeves or wire holes.

 

Product features

One-piece multi-functional integration: Using innovative integrated design of external hexagon, step and through hole, it cleverly integrates the functions of nut, positioning bushing and wire loop. One part can replace the previous combination of multiple parts, significantly simplifying the product structure and assembly process.

 

Excellent anti-torsion and locking performance: The standard external hex head design can be tightened using common wrenches or socket tools. It has a large contact area and can withstand extremely high torque without slipping, ensuring the firmness and reliability of the connection and meeting high-strength fastening requirements.

 

Precise positioning and supporting function: The stepped boss structure in the middle can play a precise positioning and guiding role during installation, allowing for quick alignment. At the same time, the step can be used as a reliable support bushing to effectively control the assembly gap between components, and can share part of the radial load to improve structural stability.

 

Flexible through-hole overload design: The central through-hole throughout is the core of multi-functionality. It provides a convenient channel for wiring and pipe threading, and can also be used as a guide hole for a small-diameter shaft or an interface for media circulation, which greatly enhances the design flexibility and space utilization and meets the needs of a variety of complex application scenarios.

 

Product application

Mechanical equipment and automation: In the fields of non-standard automation equipment, machine tools and robots, it is often used as a fixed support for sheet metal panels. The step part can be embedded in the panel hole for precise positioning and reinforcement. At the same time, the central through hole can be used as a perfect through hole for pneumatic pipelines and sensor cables, allowing power and signals to pass through, making the interior of the equipment clean and orderly.

 

Automotive and Transportation: In automobile chassis, body interior structures and commercial vehicles, it is used as a fixing point for wires or pipes. It can not only provide stable support through high-strength locking, but also allow the wire harness to pass through the center to avoid direct contact with sharp metal edges, playing the role of wear resistance, protection and isolation.

 

Electronic, electrical and communication cabinets: It is widely used in the assembly of switch cabinets, control cabinets and server cabinets. It can securely lock racks and panels, and its through holes provide an ideal channel for a large number of internal cable management, effectively improving cabinet space utilization and maintenance convenience.

 

Public facilities and high-end furniture: It is often used to construct connection points in urban guardrails, sports equipment, and modern office furniture. Its stepped structure can maintain the ideal spacing between components, while the hollow design can cleverly hide the screw heads, beautifying the appearance, and even serving as a mounting base for decorative parts.

 

FAQ

Q: What is the load-bearing capacity of this nut, especially the compressive strength of the step part?

A: The load-bearing capacity of a product is determined by the material strength and specific dimensions. The design of the step part can significantly increase the pressure-bearing area and distribute the load, thereby providing better compressive and bending strength than ordinary nuts. Our technical team can recommend or calculate the most suitable specifications for you based on the load conditions you provide.

 

Q: During installation, what are the special requirements for the mounting holes of the mating parts?

A: The mounting holes usually need to be designed as stepped holes (countersunk holes). The diameter of the through hole needs to be slightly larger than the major diameter of the thread, while the diameter and depth of the counterbore part need to match the outer diameter and height of the step of the nut to ensure that the step can be embedded and accurately positioned.

 

Q: How to ensure that this nut will not loosen in a vibration environment?

A: Standard products rely on high preload to provide anti-loosening properties. For strong vibration environments, we recommend adding elastic washers or customizing nylon inlays.

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