S-90042A112 M3 x 8 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with a silicone rubber O-ring that withstands pressures up to 1500 psi, ideal for fluid and gas containment systems.
• Excellent corrosion resistance thanks to 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• High tensile strength of 100,000 psi provides robust fastening integrity for demanding mechanical assemblies.
• Precise Class 6g thread fit ensures smooth installation and secure mating with nuts or tapped holes, reducing assembly time.
• Wide temperature tolerance from -80° to 400° F due to the silicone O-ring, suitable for applications with thermal cycling.
• Standard hex drive (2.5 mm) allows for easy torque application with common tools, minimizing slippage and damage.
• Fully threaded design offers consistent clamping force along the entire length, enhancing joint stability.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered to address critical sealing challenges in industrial settings, such as preventing leaks in hydraulic systems, pneumatic equipment, and machinery exposed to variable pressures. Made from 18-8 stainless steel, it resists rust and corrosion, extending service life in moist or chemical-laden environments. The integrated silicone rubber O-ring and coarse thread with a 0.5 mm pitch ensure a tight seal and quick assembly, reducing downtime. Ideal for high-pressure applications up to 1500 psi, it provides reliable performance in automotive, aerospace, and manufacturing sectors where metric screw standards like DIN 912 and ISO 4762 are mandated for precision and safety.

Specification Summary & Compliance

This screw features a Class 6g thread fit per metric standards, ensuring dimensional accuracy for consistent performance. It complies with ASME B18.3, DIN 912, and ISO 4762 specifications, guaranteeing interchangeability and quality. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental and safety regulations in global supply chains.