S-90608A421 M5 x 25 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh chemical and marine environments.
• Reliable pressure sealing up to 1500 psi thanks to the integrated Buna-N rubber O-ring, preventing leaks in fluid and gas systems.
• High tensile strength of 100,000 psi ensures dependable load-bearing capacity and joint integrity under stress.
• Wide temperature tolerance from -40° to 225°F allows for stable performance in extreme thermal conditions.
• Precise Class 6g thread fit guarantees easy assembly and secure fastening with standard M5 coarse threads.
• Durable Rockwell B85 hardness provides excellent wear resistance and longevity in high-vibration applications.
• Convenient 4mm hex drive socket head enables quick installation and removal with standard tools, reducing assembly time.

Professional Applications & Engineering Value

This M5 socket head cap screw is engineered to address critical challenges in industrial settings where pressure sealing and corrosion resistance are paramount. The 316 Stainless Steel material offers exceptional durability against corrosive agents, making it suitable for chemical processing, marine equipment, and food machinery. Combined with the Buna-N rubber O-ring, it effectively seals joints against leaks in hydraulic systems, pneumatic controls, and fluid transfer lines, operating reliably from -40° to 225°F. The fully threaded M5 x 0.8mm coarse thread design ensures consistent clamping force, while the socket head with a 4mm hex drive allows for efficient access in confined spaces. Ideal for OEM assemblies and maintenance, this screw enhances metric fastener performance by meeting rigorous standards like ASME B18.3, DIN 912, and ISO 4762, ensuring compatibility and safety in global engineering projects.

Specification Summary & Compliance

This screw features precise Class 6g thread fit per metric standards, with M5 x 0.8mm coarse threads and a length of 25mm. It complies with ASME B18.3, DIN 912, and ISO 4762 manufacturing specifications, ensuring dimensional accuracy and interchangeability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, supporting environmental and safety regulations for industrial use.