Stainless Threaded Self Clinching Standoff Spring-loaded Captive Panel Screws PF31, Etc Standards

This captive panel screw is a spring-loaded anti-loosening fastener specially designed for chassis, cabinets and panels. Made of stainless steel, it integrates three parts: knurled hand-turn head, spring and threaded sleeve. The screw is always connected with the sleeve and will not fall off or be lost after loosening. At the same time, it can be quickly tightened/loosened through the hand-turn head without additional tools. It is widely used in server cabinets, communication equipment chassis, electronic equipment panels, industrial control equipment and other scenarios, and is a special hardware for tool-free disassembly and assembly of panels with anti-loosening and anti-lost functions.
Key Features
Anti-loosening and Anti-lost, Never Fall Off:The screw is always connected with the sleeve through the spring structure, and will not fall off from the panel even when completely loosened, avoiding the risk of parts being lost or falling into the equipment, suitable for scenarios with frequent disassembly and assembly.
Spring Buffer, Adapt to Tolerances:The built-in spring provides elastic buffer, which can compensate for panel thickness and installation tolerances. After tightening, the spring provides continuous preload, with excellent anti-loosening performance, and is not easy to loosen during long-term use.
Stainless Steel Material, Corrosion-resistant and Durable:The main body is made of high-quality stainless steel, which is rust-proof and corrosion-resistant, suitable for various environments such as humidity and outdoors, with a long service life, suitable for long-term use scenarios such as industrial equipment and communication cabinets.
Integrated Structure, Easy Installation:Pre-installed design, only need to press the sleeve into the panel hole during installation, no additional accessories are required, suitable for standard cabinet panel holes, with strong versatility.
Customization
We offer comprehensive customization services to meet specific customer requirements, including different sizes, materials, and precision levels. Our professional technical team oversees the entire customization process to ensure the final product meets your exact specifications and performance expectations.