S-95198A545 8-32 x 3/4" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Reliable Sealing in Extreme Conditions: Integrated silicone O-ring provides a secure seal from -80° to 400° F, protecting assemblies from leaks and contamination in demanding environments.
• Exceptional Strength and Durability: Made from 18-8 Stainless Steel with 100,000 psi tensile strength and Rockwell B85 hardness for high load-bearing capacity and long-term reliability.
• Superior Corrosion Resistance: 18-8 Stainless Steel construction ensures excellent resistance to rust and corrosion, ideal for harsh industrial or outdoor applications.
• Precision Thread Fit for Secure Fastening: Class 3A thread fit with 8-32 UNC coarse threads offers tighter tolerances and improved vibration resistance compared to standard fits.
• High-Pressure Performance: Withstands maximum pressures up to 1500 psi, making it suitable for hydraulic, pneumatic, and other high-pressure sealing systems.
• Easy Installation with Hex Drive: 9/64" hex drive allows for simple and secure installation using standard tools, reducing assembly time and effort.
• Full Thread Engagement: Fully threaded design ensures maximum grip and uniform stress distribution along the entire length for enhanced joint integrity.

Professional Applications & Engineering Value

This 8-32 UNC thread Socket Head Cap Screw is engineered to address critical sealing challenges in industrial applications where fluid or gas containment is essential. The combination of 18-8 Stainless Steel and a silicone O-ring provides a robust solution for environments exposed to temperature fluctuations, moisture, and corrosive elements. Commonly used in hydraulic systems, pneumatic equipment, and machinery requiring pressure-tight seals, this fastener prevents leaks that can lead to system failures, downtime, and costly repairs. Its Class 3A thread fit ensures precise engagement, reducing the risk of loosening under vibration, while the fully threaded design offers consistent clamping force. This makes it an ideal choice for OEMs and maintenance professionals in automotive, aerospace, and manufacturing sectors seeking reliable, long-lasting fastening with integrated sealing capabilities.

Specification Summary & Compliance

This screw features a Class 3A thread fit with 8-32 UNC coarse threads, ensuring high precision and reliability. It complies with ASME B18.3, DIN 912, and ISO 4762 standards, guaranteeing consistent quality and interchangeability. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances.