S-90269A661 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Enhanced durability and wear resistance from Rockwell B79 hardness, extending service life in high-friction assemblies.
• High mechanical strength with 70,000 psi tensile and 35,000 psi shear strength for reliable load-bearing in demanding applications.
• Secure, non-slip installation thanks to the knurled head and 4 mm hex drive, preventing tool slippage during tightening.
• Precision alignment and spacing ensured by the 16 mm shoulder with controlled tolerances, reducing component misalignment.
• Consistent thread engagement with Class 5g6g fit and coarse M6x1 mm threads, facilitating quick assembly and disassembly.
• Regulatory compliance and safety meeting ISO 7379, RoHS 3, and REACH standards for global industrial use.

Professional Applications & Engineering Value

This M6 shoulder screw is engineered to address common industrial challenges such as component misalignment, corrosion, and mechanical failure. The 316 stainless steel material provides excellent resistance to chemicals and moisture, making it suitable for marine, chemical processing, and food industry applications. The black oxide finish adds an extra layer of protection against oxidation while reducing light reflection. The knurled head and hex drive design ensure secure tool engagement, minimizing installation errors. With a precision shoulder that acts as a pivot or spacer, this screw maintains accurate positioning in assemblies like machinery linkages, bearings, and robotic arms, reducing wear and maintenance costs. Its right-hand coarse thread and high strength make it ideal for fastening components that experience dynamic loads and vibrations.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 standards, ensuring dimensional accuracy with a Class 5g6g thread fit for consistent performance. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing precise fits in engineering applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances for safe use in various industries.