S-97715A267 1/4"-20 x 1" ASME B18.3 Brass Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance due to brass construction, ensuring long-term reliability in harsh environments
• Exceptional tensile strength of 50,000 psi provides reliable performance in demanding mechanical assemblies
• Class 3A thread fit delivers precise, vibration-resistant connections for critical applications
• 5/32" hex drive design enables secure tool engagement and efficient installation with standard tools
• Rockwell B55 hardness rating maintains thread integrity and prevents stripping during repeated use
• Fully threaded design ensures maximum grip length and uniform load distribution
• Rounded button head profile offers smooth finished appearance while minimizing snag hazards

Professional Applications & Engineering Value

Engineered for industrial, automotive, and construction applications, these brass rounded head screws address critical challenges in corrosive environments where steel fasteners would deteriorate. The 1/4"-20 UNC coarse thread spacing provides excellent engagement in soft materials and rapid assembly, while the Class 3A thread fit ensures precise mechanical connections resistant to vibration loosening. The hex drive compatibility with standard 5/32" tools facilitates installation in confined spaces, making these fully threaded screws ideal for machinery, electrical enclosures, and plumbing systems requiring corrosion-resistant fasteners with consistent performance.

Specification Summary & Compliance

This 1/4"-20 UNC brass screw features precise Class 3A thread fit tolerances with coarse thread spacing for optimal performance. Manufactured to ASME B18.3 specifications with full compliance to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations. The inch measurement system ensures compatibility with North American industrial standards and replacement parts.