S-92949A272 10-32 x 1 1/4" ASME B18.3 Stainless Steel Button Head Hex-Drive Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh environments.
• Exceptional thread engagement and vibration resistance due to the fine 10-32 UNF thread and Class 3A fit for precision assemblies.
• High tensile strength of 70,000 psi ensures reliable performance under significant mechanical stress.
• Easy installation and removal with a hex drive, providing a secure grip and reducing tool slippage.
• Enhanced durability and material integrity from Rockwell B55 hardness, resisting wear and deformation.
• Versatile rounded button head design offers a low-profile, finished appearance and reduces snagging risks.
• Full threading along the 1-1/4" length allows for maximum adjustability and holding power in various material thicknesses.

Professional Applications & Engineering Value

This 10-32 UNF rounded head screw is engineered to address critical challenges in precision industrial applications, such as machinery assembly, electronics enclosures, and automotive components. The 18-8 stainless steel material combined with a passivated finish provides excellent resistance to oxidation and chemical exposure, extending service life in corrosive settings. The fine thread spacing and Class 3A thread fit ensure tight, secure fastening that minimizes loosening under vibration, a common issue in dynamic operational environments. With a hex drive for efficient torque application and a rounded button head for smooth, flush mounting, these screws streamline installation while maintaining structural integrity, making them a reliable choice for engineers seeking durability and compliance in demanding applications.

Specification Summary & Compliance

This product adheres to ASME B18.3 specifications, ensuring dimensional accuracy and performance reliability. Threads are manufactured to Class 3A tolerance for precise fit, with UNF fine thread type and right-hand direction. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting environmental and safety standards in industrial use.