S-90042A417 M2 x 25 mm ASME B18.3, DIN 912, ISO 4762 Sealing Socket Head Screws

Key Features & Benefits at a Glance

• Superior sealing performance with Viton® fluoroelastomer O-rings that withstand extreme temperatures from -20° to 400° F and pressures up to 1500 psi, ensuring reliable leak prevention in demanding environments.
• Exceptional corrosion resistance provided by 18-8 stainless steel construction, offering long-term durability and reliability in harsh industrial settings.
• High tensile strength of 100,000 psi and Rockwell B85 hardness for secure fastening under high stress, reducing the risk of mechanical failure.
• Precise Class 6g thread fit and coarse 0.4 mm pitch for easy installation and consistent engagement, minimizing assembly time and errors.
• Compact hex socket drive (1.5 mm) allows for tight-space installation and high torque application, improving efficiency in confined areas.
• Compliance with major standards including ASME B18.3, DIN 912, and ISO 4762, ensuring interchangeability and quality assurance for global engineering projects.
• Environmental and safety compliance with RoHS 3 and REACH regulations, making them suitable for regulated industries without hazardous substance concerns.

Professional Applications & Engineering Value

This M2 socket head cap screw is engineered to address critical challenges in industrial sealing and fastening applications. The combination of 18-8 stainless steel and a Viton® fluoroelastomer O-ring provides robust resistance to chemicals, temperature fluctuations, and high pressure, making it ideal for automotive, aerospace, and fluid handling systems where leak-proof integrity is paramount. The partially threaded design and metric coarse thread ensure quick, secure attachment in components like pumps, valves, and machinery housings, reducing downtime and maintenance costs. By meeting ASME B18.3, DIN 912, and ISO 4762 standards, these screws deliver consistent performance and compatibility, supporting efficient B2B procurement and assembly processes in demanding engineering environments.

Specification Summary & Compliance

This screw features precise Class 6g thread fit per metric standards, with a thread size of M2, pitch of 0.4 mm, and length of 25 mm. It complies with ASME B18.3, DIN 912, and ISO 4762 manufacturing specifications, ensuring dimensional accuracy and reliability. Additionally, it is RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to environmental and safety regulations for industrial use.