S-90042A282 M6 x 40 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.
• High-pressure sealing capability up to 1500 psi, thanks to the integrated Buna-N rubber O-ring that prevents leaks in critical applications.
• Exceptional mechanical strength with 100,000 psi tensile strength and Rockwell B85 hardness, providing durability under heavy loads.
• Precise thread engagement with Class 6g fit and M6 x 1 mm coarse thread, enabling easy installation and secure fastening.
• Versatile temperature performance from -40° to 225°F, making it suitable for a wide range of industrial conditions.
• Optimized for space-constrained assemblies with a standard socket head and 5 mm hex drive, allowing for compact design and tool accessibility.
• Reliable compliance with international standards including ASME B18.3, DIN 912, and ISO 4762, ensuring interchangeability and quality assurance.

Professional Applications & Engineering Value

This M6 metric socket head cap screw is engineered to address common industrial challenges such as fluid leakage, vibration loosening, and corrosion in demanding environments. The 18-8 stainless steel material offers excellent resistance to rust and chemicals, while the Buna-N rubber O-ring provides an effective seal against high-pressure fluids and gases, ideal for hydraulic systems, pneumatic equipment, and automotive assemblies. The partially threaded design with Class 6g thread fit ensures accurate alignment and reduced stress concentration, enhancing joint integrity. Commonly used in machinery, electronics, and aerospace applications, this screw delivers reliable performance where precision, durability, and regulatory compliance are critical.

Specification Summary & Compliance

The screw features a metric M6 x 1 mm coarse thread with Class 6g tolerance for precise fit, a partially threaded rod, and a length of 40 mm. It conforms to ASME B18.3, DIN 912, and ISO 4762 standards, ensuring dimensional accuracy and interoperability. Additionally, it is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, meeting environmental and safety regulations for global industrial use.