S-90269A680 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure.
• Enhanced durability and wear resistance from the Black Oxide finish, providing long-lasting performance.
• Secure, non-slip installation thanks to the knurled socket head and 5 mm hex drive, preventing tool slippage.
• High mechanical strength with 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications.
• Precise component alignment and spacing enabled by the 25 mm shoulder with tight diameter tolerance.
• Reliable thread engagement with Class 5g6g thread fit and coarse M8x1.25 mm pitch for quick assembly.
• Global regulatory compliance meeting ISO 7379, RoHS 3, and REACH standards for safe, international use.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and corrosion challenges in industrial settings. The 316 Stainless Steel material offers exceptional resistance to corrosive agents, making it suitable for marine, chemical processing, and food industry equipment. The 25 mm shoulder length ensures precise positioning of moving parts like gears and pulleys, reducing wear and misalignment. Combined with the Black Oxide finish, it minimizes friction and extends service life in high-stress assemblies. The coarse thread pitch and Class 5g6g thread fit facilitate rapid, secure fastening, while the knurled socket head enhances grip during installation. Ideal for machinery, automation systems, and precision instruments, this screw delivers reliable performance where dimensional accuracy and environmental durability are paramount.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 specifications, ensuring dimensional consistency and interchangeability. Threads are manufactured to Class 5g6g tolerance for reliable fit, with a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of hazardous substances and supporting safe use in global markets.