S-90288A274 10-32 x 3/8" Tamper-Resistant One-Way-Drive Stainless Steel Round Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to 18-8 stainless steel construction and a passivated finish, ensuring long-term reliability in harsh environments.
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B96 hardness, providing reliable performance under high-stress conditions.
• Precise and secure fastening achieved with a Class 2A thread fit and fine UNF thread spacing, minimizing the risk of loosening in precision assemblies.
• Efficient one-way drive installation for quick assembly while the rounded head design offers a smooth, low-profile finish.
• Full threading along the 3/8" length ensures maximum grip and uniform load distribution across the entire fastener.
• Compliance with major environmental regulations including RoHS 3 and REACH, making them suitable for regulated industrial and international markets.
• Right-hand thread direction for standard installation practices, facilitating ease of use and compatibility with common tools.

Professional Applications & Engineering Value

Engineered for demanding environments, these 10-32 UNF rounded head screws provide a robust fastening solution where corrosion resistance and high tensile strength are critical. The 18-8 stainless steel material combined with a passivated finish effectively resists oxidation and chemical exposure, making them ideal for applications in marine, chemical processing, and food equipment industries. The fine thread spacing and Class 2A thread fit ensure tight, vibration-resistant connections in precision machinery, electronics, and automotive assemblies. Their fully threaded design allows for consistent clamping force, reducing the risk of joint failure and maintenance needs in high-stakes industrial settings.

Specification Summary & Compliance

These screws feature a 10-32 UNF thread size with Class 2A thread fit for precise dimensional accuracy and reliable engagement. Manufacturing adheres to standard inch system measurements, ensuring compatibility with UNF threaded components. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting use in environmentally conscious and global industrial applications.