S-90920A278 8-32 x 5/8" ASME B18.6.3 Alloy Steel Torx Flat Head Screws
Alloy Steel Torx Flat Head 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 zinc-plated steel construction, extending service life in demanding industrial environments
- Enhanced torque transmission and reduced cam-out thanks to the Torx T15 drive system for secure, efficient installations
- High-strength performance with a tensile strength of 60,000 PSI, ensuring reliable fastening under significant loads
- Optimal flush seating provided by the 82° countersink angle and standard flat head profile for a smooth, professional finish
- Wide compatibility and easy assembly from the coarse UNC thread and Class 2A thread fit, facilitating quick engagement
- Full-length threading for maximum grip and holding power across the entire 5/8" length
- Compliance with major industry standards including ASME B18.6.3, RoHS 3, and REACH, ensuring safety and regulatory adherence
Professional Applications & Engineering Value
These 8-32 UNC flat head screws are engineered to address common challenges in industrial assembly, such as the need for reliable, high-strength fasteners that resist loosening under vibration. The zinc-plated steel material provides excellent corrosion protection, making them ideal for machinery, electronics, and automotive applications where environmental factors are a concern. The Torx T15 drive minimizes tool slippage, reducing damage to the screw head and improving installation efficiency. With a coarse thread and Class 2A fit, these screws offer quick, secure fastening in a variety of materials, enhancing productivity in high-volume manufacturing and maintenance operations.
Specification Summary & Compliance
This product adheres to precise dimensional standards, including a Class 2A thread fit for consistent performance and an 82° countersink angle for proper seating. It meets ASME B18.6.3 specifications for mechanical and dimensional requirements, ensuring reliability in industrial use. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), confirming the absence of hazardous substances and supporting environmentally responsible procurement practices.
