S-95198A149 8-32 x 1 1/8" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated silicone rubber O-ring ensures reliable leak-proof sealing in demanding applications, rated for pressures up to 1500 psi.
• Exceptional Corrosion Resistance: Made from 18-8 stainless steel, offering excellent durability in harsh environments and resistance to rust and oxidation.
• High Tensile Strength & Durability: With 100,000 psi tensile strength and Rockwell B85 hardness, this screw withstands heavy loads and repetitive stress without failure.
• Wide Temperature Compatibility: O-ring functions effectively across a broad range from -80° to 400° F, ideal for varied industrial and automotive settings.
• Precision Thread Fit: Class 3A UNC coarse threads provide secure, vibration-resistant fastening with minimal risk of loosening over time.
• Easy Installation & Access: Hex socket drive (9/64") allows for straightforward tightening in confined spaces using standard tools.
• Regulatory Compliance & Quality Assurance: Meets ASME B18.3, DIN 912, and ISO 4762 standards, and is RoHS 3 and REACH compliant for global use.

Professional Applications & Engineering Value

This 8-32 UNC thread socket head cap screw is engineered to address critical sealing and fastening challenges in industrial assemblies. The 18-8 stainless steel construction ensures long-term corrosion resistance, while the silicone rubber O-ring provides a dependable seal against fluids and gases, even under high-pressure conditions up to 1500 psi. Its fully threaded design and Class 3A thread fit enhance grip and distribution of load, reducing the risk of leakage or joint failure in applications like hydraulic systems, machinery enclosures, and automotive components. The coarse UNC thread facilitates quick assembly and disassembly, making it a practical choice for maintenance-heavy environments. By combining robust materials with precise engineering, this fastener delivers reliable performance in temperature-resistant and high-stress scenarios, ensuring operational safety and efficiency.

Specification Summary & Compliance

This screw features precise 8-32 UNC coarse threads with a Class 3A thread fit for tight tolerances and secure fastening. It complies with ASME B18.3, DIN 912, and ISO 4762 manufacturing standards, ensuring consistent quality and interchangeability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.