S-90042A267 M5 x 12 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Reliable Sealing Performance: Integrated Buna-N rubber O-ring creates a durable seal, preventing leaks in high-pressure applications up to 1500 psi.
• Exceptional Corrosion Resistance: Made from 18-8 stainless steel, offering excellent protection against rust and corrosion in harsh industrial environments.
• High Tensile Strength & Durability: With a tensile strength of 100,000 psi and Rockwell B85 hardness, it ensures long-term reliability under heavy loads.
• Precision Thread Fit: Class 6g thread fit provides consistent, secure fastening with reduced risk of cross-threading or loosening.
• Wide Temperature Tolerance: O-ring functions effectively across a broad temperature range from -40° to 225° F, suitable for varied operational conditions.
• Easy Installation with Standard Tools: 4 mm hex socket drive allows for quick, secure tightening using common industrial tools.
• Full Thread Engagement: Fully threaded design maximizes grip and distribution of clamping force along the entire length.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered to address critical sealing and fastening challenges in demanding industrial settings. The combination of 18-8 stainless steel and a Buna-N rubber O-ring ensures a robust seal that withstands pressures up to 1500 psi, making it ideal for hydraulic systems, pneumatic equipment, and fluid handling assemblies where leak prevention is paramount. The metric coarse thread with a Class 6g thread fit ensures precise alignment and reliable performance in high-vibration environments, reducing maintenance needs and downtime. Its fully threaded design and 4 mm hex drive facilitate efficient installation and removal, enhancing productivity in automated or manual assembly lines. This fastener is particularly valuable in automotive, machinery, and processing industries where durability, compliance, and pressure integrity are essential.

Specification Summary & Compliance

This screw features a metric M5 x 0.8 mm coarse thread with a Class 6g thread fit, ensuring dimensional accuracy and compatibility with standard metric components. It is manufactured in accordance with ASME B18.3, DIN 912, and ISO 4762 standards, guaranteeing consistent quality and interchangeability. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free from hazardous substances and safe for use in various industrial applications.