S-97715A571 5/16"-24 x 1 3/8" Brass Button Head Hex-Drive Screws
Brass Button Head Hex-Drive 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 high-quality brass construction, ideal for harsh environments and electrical applications
- Precise, reliable fastening with Class 3A thread fit, ensuring tight tolerances and minimal vibration loosening
- High mechanical strength with 50,000 psi tensile rating and Rockwell B55 hardness for demanding industrial loads
- Easy installation and removal using the 3/16" hex drive, providing secure tool engagement and reduced stripping risk
- Full threading along the 1 3/8" length offers maximum grip and uniform stress distribution in assembled components
- Compliant with RoHS 3 and REACH regulations, meeting international safety and environmental standards for industrial use
- Fine UNF thread design enhances sealing capability and provides superior holding power in precision assemblies
Professional Applications & Engineering Value
Engineered for precision industrial applications, these brass rounded head screws deliver exceptional performance in electrical enclosures, machinery, and marine equipment where corrosion resistance is critical. The Class 3A thread fit and UNF fine threading ensure vibration-resistant connections in high-stress assemblies, while the hex drive design prevents cam-out during torque application. The combination of 50,000 psi tensile strength and Rockwell B55 hardness provides reliable fastening in automated manufacturing and precision engineering applications where material compatibility and regulatory compliance are paramount.
Specification Summary & Compliance
Manufactured to precise inch system specifications with Class 3A thread fit and UNF fine thread standards. Fully compliant with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloys and REACH (EC 1907/2006) regulations. The screws feature a standard rounded button head profile with right-hand threading and are fully threaded along the entire 1 3/8" length for consistent performance across industrial applications.
