S-90608A318 10-32 x 1" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh chemical and marine environments
• Reliable high-pressure sealing up to 1500 psi with integrated Buna-N rubber O-ring, preventing leaks in critical applications
• Exceptional mechanical strength featuring 100,000 psi tensile strength and Rockwell B85 hardness for heavy-duty use
• Precision Class 3A thread fit ensures secure fastening with minimal backlash in fine-threaded assemblies
• Wide temperature tolerance from -40° to 225°F maintains performance across extreme operating conditions
• Standard hex drive compatibility with 5/32" drive size for easy installation using common industrial tools
• Full regulatory compliance with ASME, DIN, ISO, RoHS 3, and REACH standards for global quality assurance

Professional Applications & Engineering Value

This 316 stainless steel socket head cap screw delivers critical sealing performance for industrial equipment exposed to fluids, gases, and corrosive elements. The integrated Buna-N rubber O-ring creates a permanent seal against leaks in hydraulic systems, pneumatic controls, and processing machinery where maximum pressure ratings of 1500 psi are required. Engineered with Class 3A UNF fine threads, it maintains precise clamping force in vibration-prone applications while the corrosion-resistant 316 stainless steel composition ensures long-term reliability in chemical processing, marine, and food-grade environments. The standard hex drive design allows for high-torque installation in confined spaces, making it ideal for precision machinery, valve assemblies, and pump systems requiring both structural integrity and fluid containment.

Specification Summary & Compliance

Manufactured to Class 3A thread fit tolerances with 10-32 UNF fine thread spacing and right-hand thread direction. Fully compliant with ASME B18.3, DIN 912, and ISO 4762 mechanical standards. Meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations for hazardous substance restrictions. Features fully threaded design with 1" length, 5/16" head diameter, and standard socket head profile per international fastener specifications.