S-92196A332 1/4"-28 x 2 1/2" ASME B18.3 18-8 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments
• High-strength performance with 70,000 PSI tensile strength and Rockwell B70 hardness for reliable load-bearing capacity
• Precise thread engagement with Class 3A fit ensuring tight, secure fastening in critical applications
• Optimized torque transmission through 3/16" hex drive and standard socket head profile for reduced cam-out risk
• Enhanced design flexibility with partially threaded shank allowing for precise clamping control
• Fine thread spacing (UNF 1/4"-28) providing superior vibration resistance in dynamic applications
• Full regulatory compliance meeting ASME B18.3 standards and environmental regulations (RoHS 3/REACH)

Professional Applications & Engineering Value

Engineered for demanding industrial applications, these 18-8 Stainless Steel Socket Head Cap Screws deliver exceptional performance where corrosion resistance and mechanical strength are critical. The Class 3A thread fit ensures precise engagement in tapped holes, reducing the risk of cross-threading while maintaining consistent clamping force. The partially threaded design allows the unthreaded portion to act as a precision pilot, ideal for alignment-critical assemblies in machinery, automotive, and aerospace components. With fine UNF threads (1/4"-28), these fasteners provide superior resistance to vibration loosening compared to coarse-thread alternatives. The combination of 70,000 PSI tensile strength and Rockwell B70 hardness makes these socket head cap screws suitable for high-stress applications while maintaining the corrosion resistance properties essential for outdoor or chemically exposed environments.

Specification Summary & Compliance

This 1/4"-28 UNF Socket Head Cap Screw features precision Class 3A thread fit with fine thread spacing and right-hand thread direction. Manufactured to ASME B18.3 specifications with a 2 1/2" length and partially threaded design. The fastener is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring suitability for global industrial applications requiring strict material restrictions.