S-93705A258 10-32 x 1/4" ASME B18.3 18-8 Stainless Steel Thread-Locking Socket Head Screws

Key Features & Benefits at a Glance

• Vibration-resistant locking performance with permanent nylon patch technology that maintains secure fastening in high-stress environments
• Superior corrosion resistance through 18-8 stainless steel construction, ideal for harsh industrial conditions
• Exceptional mechanical strength with 70,000 PSI tensile strength and Rockwell B70 hardness for heavy-duty applications
• Precise thread engagement with Class 3A fit and UNF fine threads ensuring reliable, vibration-resistant connections
• Wide temperature compatibility from -70° to 250°F, suitable for diverse operating environments
• Secure hex drive installation with 5/32" drive size providing positive torque transfer and reduced cam-out risk
• Industry-standard compliance meeting ASME B18.3 specifications for consistent quality and interchangeability

Professional Applications & Engineering Value

These nylon patch locking socket head cap screws deliver critical vibration resistance in demanding applications where loosening under dynamic loads poses significant safety and performance risks. The 18-8 stainless steel construction provides excellent corrosion resistance while maintaining 70,000 PSI tensile strength, making these fasteners ideal for machinery, automotive assemblies, and electronic enclosures exposed to harsh environments. The Class 3A thread fit combined with UNF fine threads ensures precise engagement in tapped holes, while the permanent nylon patch locking technology creates consistent friction that withstands temperature fluctuations from -70° to 250°F without compromising performance. The hex socket drive design allows for high torque application in confined spaces, addressing common installation challenges in complex assemblies.

Specification Summary & Compliance

Manufactured to ASME B18.3 specifications with Class 3A thread fit precision and UNF 10-32 fine threads. These socket head cap screws feature a standard socket head profile with 5/16" head diameter and 1/4" length. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across industrial sectors. The right-hand threaded, fully threaded design provides consistent engagement throughout the fastener length.