S-90042A114 M3 x 12 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with integrated silicone rubber O-rings, effectively preventing leaks in high-pressure environments up to 1500 psi.
• Excellent corrosion resistance due to 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial conditions.
• High tensile strength of 100,000 psi provides exceptional load-bearing capacity and resistance to mechanical stress.
• Precise Class 6g thread fit guarantees smooth installation and secure fastening with consistent engagement.
• Wide temperature tolerance from -80° to 400° F, thanks to the silicone O-ring, maintaining seal integrity in extreme thermal cycles.
• Durable Rockwell B85 hardness offers excellent wear resistance and reduces the risk of stripping during repeated use.
• Standard hex drive design allows for easy installation with common 2.5 mm tools, minimizing assembly time and effort.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered to address critical sealing challenges in demanding industrial applications. Made from 18-8 stainless steel, it combines high corrosion resistance with robust mechanical properties, ideal for environments exposed to moisture, chemicals, or varying temperatures. The integrated silicone rubber O-ring ensures a reliable seal against fluids and gases, preventing leaks in equipment such as hydraulic systems, pneumatic devices, and precision machinery. With a coarse metric thread and Class 6g tolerance, it facilitates quick, secure fastening without cross-threading issues, reducing downtime in assembly lines. Its fully threaded design and compatibility with standard hex drivers make it a versatile choice for OEMs and maintenance teams seeking efficient, high-pressure sealing solutions in automotive, aerospace, and manufacturing sectors.

Specification Summary & Compliance

This screw features precise M3 x 0.5 mm coarse threads with a Class 6g fit per ISO standards, ensuring dimensional accuracy and interchangeability. It complies with ASME B18.3, DIN 912, and ISO 4762 specifications for consistent quality and performance. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for industrial use.