S-90042A187 M5 x 50 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-ring, capable of withstanding pressures up to 1500 psi for leak-proof assemblies in critical applications.
• Excellent corrosion resistance provided by 18-8 stainless steel material, ensuring long-term durability and reliability in harsh industrial environments.
• High mechanical strength with 100,000 psi tensile strength and Rockwell B85 hardness, offering robust performance under heavy loads and vibration.
• Wide temperature compatibility from -80° to 400°F due to the silicone O-ring, maintaining seal integrity across extreme thermal conditions.
• Precision thread engagement with Class 6g fit and coarse 0.8mm pitch, enabling quick installation and secure fastening in metric assemblies.
• Versatile hex drive design featuring a 4mm socket head for easy access in confined spaces and high-torque application without stripping.
• Global compliance assurance meeting ASME B18.3, DIN 912, and ISO 4762 standards, plus RoHS 3 and REACH environmental regulations for international projects.

Professional Applications & Engineering Value

This M5 socket head cap screw delivers exceptional engineering value in applications requiring reliable high-pressure sealing, such as hydraulic systems, pneumatic equipment, and fluid handling assemblies. The 18-8 stainless steel construction combined with a silicone rubber O-ring addresses common failure points like fluid leakage and corrosion under dynamic pressure cycles. Its partially threaded design with Class 6g thread fit ensures precise clamping force distribution while the coarse metric thread facilitates rapid installation in production environments. Engineered to withstand extreme temperatures from -80° to 400°F, this fastener solves critical sealing challenges in automotive, manufacturing, and processing equipment where pressure integrity and chemical resistance are paramount.

Specification Summary & Compliance

This metric fastener features precision Class 6g thread tolerance with M5 x 0.8mm coarse threading and 24mm minimum thread length. Manufactured to ASME B18.3, DIN 912, and ISO 4762 specifications for dimensional accuracy and performance consistency. Fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use in regulated industries worldwide.