S-98201A215 10-32 x 1 3/8" Exact-Grip-Length Flanged Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and extended service life.
• Exceptional mechanical strength with 80,000 psi tensile strength and Rockwell B83 hardness for reliable performance under high stress.
• Precise and secure fastening ensured by the Class 3A thread fit, minimizing the risk of loosening in critical assemblies.
• Enhanced load distribution and stability from the integrated flange, reducing surface pressure and the need for separate washers.
• Optimized for high-torque applications with a standard hex socket (5/32" drive) allowing for easy installation in confined spaces.
• Versatile partial threading with a 1" grip length provides a strong, unthreaded shank for precise clamping and shear resistance.
• Compliance with major environmental regulations including RoHS 3 and REACH, ensuring safety and suitability for global markets.

Professional Applications & Engineering Value

This 10-32 UNF Flanged Socket Head Cap Screw is engineered to address common challenges in precision machinery, automotive, and aerospace assemblies where vibration resistance and material integrity are paramount. The 18-8 Stainless Steel offers excellent resistance to oxidation and chemical exposure, preventing failure in corrosive conditions. The fine UNF thread spacing and Class 3A thread fit provide a tighter, more reliable connection than coarse threads, essential for maintaining clamp load in dynamic applications. The flanged design increases bearing surface area, distributing load more effectively and protecting softer materials from damage. Combined with a hex socket drive, it ensures high torque application without slippage, making it a robust choice for heavy-duty industrial fastening where disassembly is infrequent but requires absolute reliability.

Specification Summary & Compliance

This screw adheres to UNF (Unified National Fine) thread standards with a Class 3A thread fit for high precision and minimal allowance. Key dimensions include a 10-32 thread size, 1 3/8" overall length, 3/8" thread length, and a 1" grip length. It is manufactured from 18-8 Stainless Steel and meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, ensuring it is free from hazardous substances and suitable for regulated industries.