S-95198A264 2-56 x 9/16" ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated Buna-N rubber O-rings, preventing leaks in demanding applications up to 1500 psi.
• Exceptional corrosion resistance from 18-8 Stainless Steel construction, ensuring long-term reliability in harsh environments.
• High tensile strength of 100,000 psi provides reliable fastening under heavy mechanical loads without failure.
• Precise Class 3A thread fit offers tighter tolerances for secure, vibration-resistant connections in critical assemblies.
• Wide temperature compatibility from -40° to 225°F, maintaining seal integrity and performance across extreme conditions.
• Standard hex drive (5/64") and socket head profile enables easy installation with common tools, reducing assembly time.
• Full threading and coarse UNC spacing ensure quick engagement and strong holding power in various materials.

Professional Applications & Engineering Value

Engineered for industrial and mechanical systems requiring reliable sealing under pressure, this Socket Head Cap Screw combines 18-8 Stainless Steel durability with a Buna-N rubber O-ring to solve common leakage issues in hydraulic, pneumatic, and fluid-handling equipment. The Class 3A thread fit and coarse UNC threading provide superior resistance to loosening from vibrations, making it ideal for machinery, automotive components, and precision instruments. Its fully threaded design ensures consistent clamping force, while the hex drive allows for efficient torque application in confined spaces, reducing downtime and maintenance costs in B2B operations.

Specification Summary & Compliance

This screw features a 2-56 UNC thread size with Class 3A fit for high precision, and complies with ASME B18.3, DIN 912, and ISO 4762 standards for dimensional accuracy. It is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, ensuring environmental safety and regulatory adherence in global supply chains.