S-97715A404 2-56 x 5/16" 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 brass construction for reliable performance in harsh environments
- Exceptional tensile strength rated at 50,000 PSI prevents fastener failure under heavy loads
- Precise Class 3A thread fit ensures tighter tolerances and more secure connections than standard fasteners
- Convenient hex drive design with 0.050" drive size allows for efficient installation and removal
- Fully threaded coarse spacing provides maximum grip and faster assembly in various materials
- Rounded button head profile offers a finished appearance while reducing snagging hazards
- Comprehensive regulatory compliance with RoHS 3 and REACH standards for global market acceptance
Professional Applications & Engineering Value
These 2-56 UNC brass rounded head screws deliver critical advantages in precision assembly applications where corrosion resistance and reliable fastening are paramount. The brass material provides excellent protection against oxidation and galvanic corrosion, making these button head screws ideal for electrical components, marine equipment, and plumbing systems. The Class 3A thread fit with coarse thread spacing ensures superior engagement in softer materials while maintaining precise alignment. With fully threaded construction and 50,000 PSI tensile strength, these industrial fasteners withstand vibration and thermal cycling without loosening, reducing maintenance requirements and improving product longevity across automotive, aerospace, and manufacturing applications.
Specification Summary & Compliance
These rounded head screws feature precision UNC thread form with Class 3A thread fit for superior dimensional accuracy. Manufacturing adheres to strict quality standards with Rockwell B55 hardness ensuring consistent performance. Regulatory compliance includes RoHS 3 (2015/863/EU) with exemption 6(c) for lead in copper alloy and full REACH (EC 1907/2006) compliance, meeting international environmental and safety requirements for industrial components.
