S-94375A540 8-32 x 3/4" ASTM A581, ASTM A582 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 from 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
- Secure and stable panel fastening with a rounded head design that prevents pull-through and maintains consistent panel alignment.
- Easy installation and removal using a standard slotted drive, compatible with common tools for efficient assembly and maintenance.
- Reliable thread engagement with 8-32 UNC coarse threading and Class 2A fit, providing strong holding power and vibration resistance.
- Optimized for panel thickness variations through partial threading, allowing flexibility while ensuring secure captive retention.
- Compliance with industry standards including ASTM A581, guaranteeing material quality and performance consistency.
- Environmentally responsible manufacturing with RoHS 3 and REACH compliance, meeting global regulatory requirements for safe usage.
Professional Applications & Engineering Value
This captive panel screw is specifically engineered to address common challenges in industrial panel fastening, such as loosening under vibration and corrosion in demanding environments. The 18-8 stainless steel material offers excellent resistance to rust and chemical exposure, making it ideal for electronics enclosures, machinery panels, and outdoor equipment. The 8-32 UNC coarse thread ensures quick assembly and robust grip in various materials, while the partially threaded design prevents over-insertion and maintains panel integrity. With a slotted drive and rounded head, it provides reliable, tool-compatible fastening that reduces installation time and minimizes maintenance needs in high-use applications.
Specification Summary & Compliance
This screw features precision UNC coarse threading with a Class 2A fit for consistent dimensional accuracy and secure fastening. It complies with ASTM A581 specifications for material quality and manufacturing standards. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, ensuring adherence to environmental and safety regulations for industrial use.
