S-95966A549 1/4"-20 x 2" Captive Panel Screws
Captive Panel Screws
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
- High tensile strength of 70,000 psi provides exceptional load-bearing capacity and resistance to mechanical stress.
- Precise Class 3A thread fit guarantees secure, vibration-resistant fastening with minimal risk of loosening.
- Knurled head texture and partial threading offer enhanced grip and controlled panel retention during installation and removal.
- Hex socket drive design allows for high-torque application with standard tools, reducing installation time and effort.
- Compliance with RoHS 3 and REACH regulations ensures environmental safety and suitability for global industrial supply chains.
- Coarse UNC thread pattern enables quick assembly and reliable performance in high-vibration applications.
Professional Applications & Engineering Value
This captive panel screw is engineered to address common challenges in industrial assembly, such as panel misalignment and fastener loss. The 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, making it ideal for electronics enclosures, machinery panels, and outdoor equipment. The partially threaded shank and knurled head work together to prevent over-insertion and provide consistent clamping force, reducing maintenance downtime. With its UNC coarse thread and Class 3A fit, it ensures rapid installation and secure retention in high-vibration environments, supporting efficient production lines and durable end-products.
Specification Summary & Compliance
This screw adheres to UNC thread standards with a Class 3A thread fit for precision and reliability. Dimensions include a 1/4"-20 thread size, 2" length with a tolerance of -0.04" to 0", and a 3/16" hex drive. It is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for regulated industrial applications.
