S-95198A285 6-32 x 1/4" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Buna-N O-ring provides reliable sealing up to 1500 psi, preventing leaks in high-pressure industrial systems.
• Exceptional Corrosion Resistance: Made from 18-8 Stainless Steel, offering excellent durability in harsh environments and reducing maintenance costs.
• High Tensile Strength: Withstands up to 100,000 psi tensile load, ensuring secure fastening in demanding mechanical applications.
• Precision Thread Fit: Class 3A UNC coarse threads deliver consistent, vibration-resistant connections for enhanced assembly reliability.
• Wide Temperature Tolerance: O-ring functions effectively from -40° to 225°F, maintaining seal integrity across diverse operating conditions.
• Standardized Socket Drive: Hex drive design (7/64") allows for easy installation with common tools, improving workflow efficiency.
• Broad Regulatory Compliance: Meets ASME B18.3, DIN 912, and ISO 4762 standards, ensuring interchangeability and quality assurance.

Professional Applications & Engineering Value

This socket head cap screw with Buna-N O-ring addresses critical sealing challenges in industrial applications where fluid containment and pressure resistance are paramount. The 18-8 stainless steel construction provides inherent corrosion resistance, making it ideal for machinery exposed to moisture, chemicals, or outdoor elements. Its UNC coarse threads and Class 3A fit ensure rapid assembly with minimal cross-threading risk, while the fully threaded design offers uniform clamping force. Engineers specify this fastener for hydraulic systems, pneumatic equipment, and precision instruments requiring reliable sealing under dynamic loads, effectively preventing downtime from leaks in high-pressure environments up to 1500 psi.

Specification Summary & Compliance

This screw features a 6-32 UNC thread with Class 3A precision fit and standard socket head profile per ASME B18.3, DIN 912, and ISO 4762. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety. The Buna-N rubber O-ring is rated for temperatures from -40° to 225°F, supporting consistent performance across industrial standards.