S-97715A570 5/16"-24 x 1 1/4" 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
• Exceptional thread precision with Class 3A fine UNF threads for secure, vibration-resistant connections
• High mechanical strength offering 50,000 psi tensile strength and Rockwell B55 hardness for demanding loads
• Effortless installation with 3/16" hex drive and rounded button head design for quick, tool-friendly assembly
• Full threading coverage along the 1-1/4" length ensures maximum grip and uniform stress distribution
• Regulatory compliance meets RoHS 3 and REACH standards for safe use in regulated industries
• Durable performance with fine thread spacing that maintains integrity under repeated adjustments

Professional Applications & Engineering Value

These 5/16"-24 UNF brass screws with a rounded button head and hex drive are engineered to address critical challenges in precision assemblies. The Class 3A fine thread ensures tight tolerances, minimizing backlash in machinery, electronics, and fluid systems where vibration resistance is paramount. Made from brass, they provide excellent conductivity and corrosion resistance, making them ideal for electrical enclosures, marine components, and HVAC systems. The fully threaded design and Rockwell B55 hardness deliver consistent clamping force and durability, reducing maintenance needs in industrial fastening applications.

Specification Summary & Compliance

This product features a 5/16"-24 UNF thread with Class 3A fit for high precision, a fine thread spacing, and full threading over a 1-1/4" length. It complies with RoHS 3 (2015/863/EU) under exemption 6(c) for lead in copper alloy and REACH (EC 1907/2006) standards, ensuring environmental and safety adherence for industrial use.