S-90042A276 M6 x 12 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior Sealing Performance: Integrated Buna-N rubber O-ring ensures reliable leak-proof sealing in high-pressure applications up to 1500 psi, reducing maintenance and downtime.
• Excellent Corrosion Resistance: Made from 18-8 stainless steel, offering long-lasting durability and reliability in harsh or humid industrial environments.
• High Tensile Strength & Hardness: Withstands up to 100,000 psi tensile stress and Rockwell B85 hardness for secure, vibration-resistant fastening in demanding assemblies.
• Wide Temperature Tolerance: O-ring functions effectively from -40° to 225° F, making it suitable for applications with thermal fluctuations.
• Precision Thread Fit: Class 6g thread ensures consistent, accurate engagement with mating parts, minimizing cross-threading and assembly errors.
• Easy Installation with Hex Drive: 5 mm hex socket drive allows for high-torque application and access in confined spaces, speeding up assembly processes.
• Full Thread Engagement: Fully threaded M6 x 1 mm design provides uniform clamping force along the entire 12 mm length for balanced load distribution.

Professional Applications & Engineering Value

This M6 metric socket head cap screw is engineered to address critical sealing and fastening challenges in industrial settings. The combination of 18-8 stainless steel and a Buna-N rubber O-ring creates a robust sealing solution that prevents fluid or gas leaks under pressures up to 1500 psi. Its fully threaded M6 x 1 mm coarse thread and Class 6g thread fit ensure precise alignment and reliable performance in machinery, hydraulic systems, and pneumatic equipment. The socket head design with a 5 mm hex drive facilitates easy installation in tight spaces, reducing assembly time while maintaining high tensile strength and corrosion resistance. Ideal for automotive, manufacturing, and fluid handling applications, this screw delivers consistent performance where sealing integrity and mechanical stability are paramount.

Specification Summary & Compliance

This screw features an M6 x 1 mm metric coarse thread with a Class 6g thread fit for standard tolerance, ensuring compatibility with metric assemblies. It complies with ASME B18.3, DIN 912, and ISO 4762 standards for dimensional accuracy and performance. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for industrial use.