S-90042A118 M4 x 16 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• Effective pressure sealing up to 1500 psi via integrated silicone rubber O-ring, preventing leaks in critical applications.
• Wide temperature tolerance from -80° to 400°F, maintaining performance in extreme thermal conditions.
• High tensile strength of 100,000 psi and Rockwell B85 hardness for dependable load-bearing and durability.
• Precise Class 6g thread fit and coarse M4 x 0.7 mm threading, enabling quick assembly and secure fastening.
• Hex socket drive with 3 mm drive size for easy installation in confined spaces using standard tools.
• Full compliance with DIN 912, ISO 4762, and ASME B18.3, ensuring interchangeability and quality in global engineering projects.

Professional Applications & Engineering Value

This M4 socket head cap screw is engineered for demanding industrial settings where sealing integrity and mechanical strength are paramount. The 18-8 stainless steel material provides excellent resistance to corrosion and oxidation, ideal for machinery, automotive, and fluid systems exposed to moisture or chemicals. Its silicone rubber O-ring effectively seals against high-pressure fluids and gases, preventing leaks in hydraulic assemblies, pumps, and compressed air equipment. The fully threaded design and coarse metric thread ensure rapid installation and vibration resistance, reducing maintenance downtime. With a compact socket head and hex drive, it facilitates access in tight spaces, enhancing assembly efficiency while meeting rigorous DIN 912 and ISO 4762 standards for precision and reliability.

Specification Summary & Compliance

This screw features a Class 6g thread fit with M4 x 0.7 mm coarse threading for consistent dimensional accuracy. It conforms to ASME B18.3, DIN 912, and ISO 4762 manufacturing specifications, ensuring reliable performance in metric fastener systems. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, supporting environmental and safety regulations in industrial supply chains.