S-90035A129 M4 x 30 mm DIN 912, ISO 4762, SAE AMS5737 High-Strength A286 Stainless Steel Socket Head Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with A286 stainless steel construction and passivated finish for long-lasting performance in harsh environments
• Superior mechanical strength with 160,000 psi tensile strength and 120,000 psi yield strength to withstand extreme loads and vibrations
• Precise hex drive engagement with 3mm drive size providing reliable torque transmission and reduced risk of tool slippage
• Optimized thread performance with Class 6g fit ensuring secure fastening and consistent clamping force in demanding applications
• Full thread coverage along the 30mm length for maximum grip and load distribution across the entire fastener
• Industry-standard compatibility meeting DIN 912/ISO 4762 specifications for seamless integration with existing metric systems
• Enhanced durability with Rockwell C33 hardness maintaining structural integrity under repeated stress cycles

Professional Applications & Engineering Value

This M4 socket head cap screw delivers critical performance advantages for demanding industrial applications where reliability is paramount. The A286 stainless steel composition provides exceptional resistance to oxidation and chemical degradation, making it ideal for aerospace components, chemical processing equipment, and marine environments. The passivated finish further enhances corrosion protection while maintaining dimensional stability. With its fully threaded design and Class 6g thread fit, this fastener ensures uniform stress distribution and prevents loosening in high-vibration machinery. The hex socket drive allows for precise installation in confined spaces, while the coarse 0.7mm pitch enables rapid assembly without compromising joint integrity. These engineering features combine to solve common industrial challenges including thermal cycling, corrosive exposure, and mechanical fatigue.

Specification Summary & Compliance

This socket head cap screw features precision metric thread specifications with M4 diameter, 0.7mm pitch, and Class 6g thread tolerance ensuring consistent fit and performance. Manufacturing complies with DIN 912, ISO 4762, and SAE AMS5737 standards for dimensional accuracy and material properties. The product is fully RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, meeting current environmental regulations for hazardous substance restrictions.