Overview
Cage nut is a specialized fastener designed to provide a secure threaded mounting point within square or rectangular holes, commonly found in server racks, cabinets, and electronic enclosures. The cage nut consists of a square nut encased in a spring steel cage that clips into the mounting hole, allowing for easy installation and removal without damaging the surrounding material. Manufactured from high-strength steel or stainless steel, cage nuts are engineered to withstand significant mechanical stress and provide reliable performance in demanding industrial environments. Their design accommodates slight misalignments and offers flexibility in mounting, making cage nuts an essential component in applications requiring frequent assembly and disassembly. The precision manufacturing process ensures consistent thread quality and dimensional accuracy, contributing to the overall durability and functionality of the cage nut in various structural and electronic assembly contexts.
In addition to their robust construction, cage nuts offer corrosion resistance and enhanced load-bearing capacity, which are critical for maintaining structural integrity in harsh operating conditions. The versatility of cage nuts allows them to be used across multiple industries, including telecommunications, data centers, automotive, and aerospace, where secure and adjustable fastening solutions are paramount. Their ability to be installed without specialized tools reduces assembly time and labor costs, while the captive design prevents loss during installation. The cage nut’s combination of strength, adaptability, and ease of use makes it a preferred choice for mounting equipment and components securely, ensuring long-term reliability and performance in complex industrial applications.
| Product Type | Cage Nut |
| Head Style | Square Cage with Floating Nut |
| Manufacturing Process | Stamping and Forming |
| Thread Type | Standard Unified National Coarse (UNC) or Unified National Fine (UNF) |
| Common Materials | Steel, Stainless Steel |
| Available Sizes | #6-32, #8-32, #10-32, 1/4″-20, 5/16″-18, M5, M6, M8 |
| Strength Features | Provides secure threaded fastening in thin or soft materials, allows for slight misalignment |
| Typical Applications | Mounting equipment in server racks, electronics enclosures, sheet metal fastening |
| Surface Finishes | Zinc Plated, Nickel Plated, Black Oxide, Passivated Stainless Steel |
| Standards | DIN 43560, MIL-N-83403 |
| Customization | Custom Sizes, Materials, Threads & Surface Finishes Available |
Designed for quick and tool-free installation into square holes, reducing assembly time and labor costs in various applications.
The spring steel cage maintains tension, preventing loosening under vibration and dynamic loads.
Available in zinc-plated and stainless steel options to resist corrosion in harsh environments.
Fits a range of panel thicknesses and hole sizes, compatible with standard machine screws and bolts.
Can be removed and reused multiple times without damaging the mounting panel or threads.
Provides even load distribution over the mounting surface, reducing stress and potential damage to thin materials.
| Product Type | Cage Nut |
|---|---|
| Thread Type | Metric Coarse (M4–M12) |
| Diameter Range | M4 to M12 |
| Length Range | 10 to 50 mm |
| Available Materials | Stainless Steel, Carbon Steel, Zinc-Plated Steel |
| Manufacturing Standards | DIN 43560, ISO 898-2 |
| Surface Finish | Zinc Plated, Plain, Passivated |
| Size (Metric) | Panel Thickness (mm) | Hole Size (mm) |
|---|---|---|
| M4 | 1.0–2.5 | 7.0 |
| M6 | 1.5–3.5 | 9.0 |
| M8 | 2.0–4.0 | 11.0 |
| M10 | 2.5–5.0 | 13.0 |
| M12 | 3.0–6.0 | 15.0 |
