S-93085A849 1/4"-28 x 1 1/2" MS24693-C302, NASM24693 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• High tensile strength of 70,000 psi ensures dependable fastening under demanding mechanical loads and vibrations.
• Precision Class 2A thread fit provides smooth assembly and consistent engagement, reducing installation time and risk of cross-threading.
• 100° countersink angle with standard flat head profile allows for flush mounting in various materials, enhancing aesthetics and safety.
• Fully threaded design maximizes grip and load distribution along the entire length for secure connections.
• Compliance with MS24693-C302, RoHS 3, and REACH standards guarantees material safety and meets rigorous industrial and regulatory requirements.
• Phillips drive (No. 3 size) offers common tool compatibility and efficient installation in automated or manual settings.

Professional Applications & Engineering Value

This 1/4-28 UNF flat head screw is engineered to address critical challenges in industrial fastening, such as corrosion resistance and mechanical stability. The passivated 18-8 stainless steel material provides excellent protection against rust and chemical exposure, making it suitable for applications in marine, automotive, and outdoor equipment where durability is paramount. The fine thread spacing and right-hand thread direction ensure tight, vibration-resistant joints in metals and composites, reducing maintenance needs. Its fully threaded design and 100° countersink angle enable seamless integration into assemblies requiring low-profile, high-strength fasteners, supporting efficient production and long-term performance in industrial fasteners systems.

Specification Summary & Compliance

This screw adheres to precise dimensional standards, including Class 2A thread fit for consistent tolerance and UNF thread type with fine spacing. It meets MS24693-C302 specifications for material and design, ensuring compatibility with established engineering protocols. Additionally, it is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental responsibility for global supply chains.