S-95198A405 1/2"-13 x 1 1/2" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh environments and long-term reliability.
• Exceptional sealing performance via the integrated Buna-N rubber O-ring, preventing leaks under pressures up to 1500 psi.
• High tensile strength of 100,000 psi ensures dependable load-bearing capacity and structural integrity in demanding applications.
• Precise Class 3A thread fit provides tighter tolerances for secure fastening and reduced risk of loosening under vibration.
• Wide temperature tolerance from -40° to 225°F allows consistent performance in extreme thermal conditions.
• Standard hex drive (3/8") and socket head design enables easy installation and removal with common tools, saving time on assembly lines.
• Compliance with major international standards including ASME B18.3, DIN 912, and ISO 4762, ensuring global interoperability and quality assurance.

Professional Applications & Engineering Value

This Socket Head Cap Screw is engineered to address critical challenges in industrial settings, such as fluid containment and mechanical stress. The 18-8 Stainless Steel material offers excellent resistance to rust and chemicals, making it suitable for oil and gas, automotive, and heavy machinery applications where exposure to moisture or corrosive agents is common. The integrated Buna-N rubber O-ring provides a reliable seal against liquids and gases, preventing leaks in hydraulic systems or pressurized enclosures. With a coarse UNC thread and Class 3A fit, it ensures quick assembly and high clamping force, reducing maintenance downtime. Its fully threaded design and 100,000 psi tensile strength deliver uniform stress distribution, enhancing joint durability in high-vibration environments like engine components or structural frames.

Specification Summary & Compliance

This screw adheres to Class 3A thread fit for precise dimensional accuracy under UNC coarse threading standards. It meets ASME B18.3, DIN 912, and ISO 4762 manufacturing specifications, ensuring consistent quality and performance. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and regulatory acceptance in global markets.