S-97715A563 5/16"-24 x 3/8" Brass Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with brass construction, ideal for harsh environments and electrical applications
• Precise, vibration-resistant fastening ensured by Class 3A fine thread fit for critical assemblies
• High mechanical strength with 50,000 psi tensile rating and Rockwell B55 hardness for durable performance
• Secure, slip-resistant installation using the 3/16" hex drive, providing excellent torque transmission
• Full thread engagement along the 3/8" length for maximum grip and load distribution
• Regulatory compliance with RoHS 3 and REACH standards, meeting international environmental directives
• Low-profile rounded button head design for a finished appearance and reduced snagging risks

Professional Applications & Engineering Value

Engineered for reliability, these 5/16"-24 UNF brass screws address common industrial challenges such as galvanic corrosion and thread stripping. The fine thread spacing and Class 3A thread fit provide exceptional clamping force and vibration resistance in precision equipment, electronics enclosures, and marine hardware. The combination of brass material and hex drive style ensures easy installation with standard tools while maintaining integrity in conductive or corrosive settings. These rounded head screws deliver consistent performance in assemblies requiring both mechanical strength and aesthetic finish.

Specification Summary & Compliance

This screw adheres to UNF thread standards with a Class 3A thread fit for precise dimensional accuracy. Manufacturing complies with exemption 6(c) of RoHS 3 (2015/863/EU) for lead in copper alloys and is REACH (EC 1907/2006) compliant. The fully threaded design and right-hand thread direction conform to inch-system mechanical fastening requirements.