S-90042A268 M5 x 16 mm 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, effectively preventing leaks in high-pressure applications up to 1500 psi.
• Excellent corrosion resistance due to 18-8 stainless steel construction, ensuring long-term reliability in harsh industrial environments.
• High tensile strength of 100,000 psi and Rockwell B85 hardness for exceptional mechanical durability and load-bearing capacity.
• Wide temperature tolerance from -40° to 225° F, maintaining sealing integrity and performance across diverse operating conditions.
• Precise Class 6g thread fit for smooth installation and secure fastening, reducing assembly time and improving joint reliability.
• Standard hex drive (4 mm) allows for easy installation with common tools, enhancing efficiency in maintenance and production lines.
• Compliance with major international standards including ASME B18.3, DIN 912, and ISO 4762, ensuring interoperability and quality assurance.

Professional Applications & Engineering Value

This M5 sealing socket head cap screw is engineered to address critical challenges in industrial sealing applications where leak-proof connections are essential. The combination of 18-8 stainless steel and a Buna-N rubber O-ring provides a robust solution for environments exposed to fluids, gases, and varying pressures. Its fully threaded metric design with a coarse 0.8 mm pitch ensures quick and secure fastening, minimizing the risk of loosening under vibration. Ideal for use in hydraulic systems, pneumatic equipment, and machinery requiring high-pressure sealing up to 1500 psi, this screw enhances operational safety and reduces downtime by preventing fluid ingress and contamination in demanding sectors like automotive, manufacturing, and fluid handling systems.

Specification Summary & Compliance

The screw features a Class 6g thread fit per ISO metric standards, ensuring dimensional accuracy and compatibility with M5 nuts and threaded holes. It is manufactured in compliance with ASME B18.3, DIN 912, and ISO 4762 specifications for socket head cap screws. Additionally, the product is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting environmental and safety regulations for hazardous substances. The fully threaded rod and standard socket head profile support consistent performance in industrial fastener applications.