S-95198A263 2-56 x 1/2" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Buna-N Rubber O-Ring ensures reliable leak-proof sealing for applications requiring fluid or gas containment.
• High Pressure & Temperature Resilience: Withstands up to 1500 psi and maintains sealing integrity across a broad temperature range from -40° to 225°F.
• Exceptional Strength & Durability: 100,000 psi tensile strength and Rockwell B85 hardness provide reliable fastening under high-stress conditions.
• Precision Thread Fit: Class 3A UNC coarse threads ensure tight, secure connections with reduced risk of cross-threading in industrial assemblies.
• Corrosion-Resistant Construction: 18-8 Stainless Steel material offers excellent resistance to rust and corrosion in demanding environments.
• Standardized Compatibility: Compliant with ASME B18.3, DIN 912, and ISO 4762 specifications for consistent performance and interchangeability.
• Easy Installation & Removal: Hex socket drive design allows for efficient torque application with standard 5/64" hex tools.

Professional Applications & Engineering Value

This 2-56 UNC Thread Socket Head Cap Screw delivers critical sealing solutions for industrial equipment where pressure integrity is paramount. The 18-8 Stainless Steel construction combined with the Buna-N Rubber O-Ring creates a reliable barrier against leaks in hydraulic systems, pneumatic controls, and fluid handling components. The Class 3A thread fit provides superior engagement precision, reducing installation time while preventing fluid seepage in high-vibration environments. Engineered for fully threaded applications requiring consistent clamping force, this fastener maintains performance across extreme temperature fluctuations from -40° to 225°F, making it ideal for industrial machinery, automation systems, and precision instrumentation where sealing reliability cannot be compromised.

Specification Summary & Compliance

This socket head cap screw features precision 2-56 UNC coarse threads with Class 3A fit for superior thread engagement. Manufacturing complies with ASME B18.3, DIN 912, and ISO 4762 standards ensuring dimensional accuracy and performance consistency. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting international environmental and safety regulations for industrial components.