S-93085A842 0-80 x 1/4" MS24693-C421, NASM24693 Stainless Steel Phillips Flat Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with passivated 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Precise flush mounting enabled by the standard 100° countersink angle and flat head design for seamless surface integration.
• Superior tensile strength of 70,000 psi ensures dependable performance under high-stress conditions in critical assemblies.
• Reliable fine threading (UNF 0-80) with Class 2A fit provides secure, vibration-resistant fastening in precision applications.
• Full threading along the 1/4" length maximizes grip and load distribution across the entire engagement area.
• Easy installation and removal with Phillips No. 0 drive, reducing tool slippage and assembly time.
• Compliance with MS24693-C421 specifications guarantees consistent quality and interchangeability for industrial use.

Professional Applications & Engineering Value

These 0-80 UNF flat head screws are engineered to address common challenges in precision assemblies, such as component misalignment and fastener failure. The passivated 18-8 stainless steel material offers excellent resistance to oxidation and chemical exposure, making them suitable for electronics, aerospace, and medical devices where cleanliness and durability are paramount. The fine UNF thread and Class 2A thread fit ensure tight tolerances, reducing the risk of loosening under vibration. With a 100° countersink angle and flat head profile, they provide a smooth, flush finish that prevents snagging and maintains aerodynamic or aesthetic surfaces. Ideal for applications requiring high-strength and regulatory compliance, these screws deliver consistent performance in demanding environments.

Specification Summary & Compliance

This product adheres to Class 2A thread fit per UNF standards, ensuring precise dimensional accuracy and interchangeability. It meets MS24693-C421 (NASM24693) specifications for consistent manufacturing quality. The screw is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances for safe use in global markets.