S-90042A241 M3 x 35 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, ideal for harsh industrial environments and extended service life.
• Reliable high-pressure sealing up to 1500 psi, thanks to the integrated Buna-N rubber O-ring, preventing fluid and gas leaks.
• Exceptional mechanical strength with a 100,000 psi tensile strength and Rockwell B85 hardness, ensuring high load-bearing capacity and resistance to stripping.
• Wide temperature compatibility from -40° to 225° F with the Buna-N O-ring, maintaining seal integrity across diverse operating conditions.
• Precise and secure fastening with a Class 6g thread fit and coarse M3 x 0.5 mm thread, enabling easy assembly and vibration resistance.
• Optimized for tool engagement featuring a standard hex socket (2.5 mm drive), allowing for high torque application and reduced cam-out risk.
• Global standard compliance including DIN 912, ISO 4762, and ASME B18.3, ensuring interchangeability and reliability in international projects.

Professional Applications & Engineering Value

This M3 socket head cap screw is engineered to address critical challenges in precision machinery, automotive assemblies, and fluid handling systems where leak prevention and vibration resistance are paramount. The 18-8 stainless steel material offers excellent corrosion resistance, reducing maintenance in humid or chemically aggressive environments. Its partially threaded design and coarse metric thread (M3 x 0.5 mm) facilitate quick installation and secure clamping in metals and plastics, while the integrated Buna-N rubber O-ring provides a dependable seal against oils, water, and air up to 1500 psi. This makes it an ideal choice for hydraulic components, pump housings, and enclosure sealing, enhancing operational safety and longevity in demanding B2B applications.

Specification Summary & Compliance

The screw features a Class 6g thread fit per ISO standards, ensuring dimensional accuracy and compatibility with standard M3 nuts and tapped holes. It is manufactured in accordance with ASME B18.3, DIN 912, and ISO 4762 specifications for consistent quality. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming it is free of hazardous substances and safe for use in regulated industries.