S-90269A709 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• Precise component alignment ensured by the 75mm shoulder with tight tolerances, reducing wear and simplifying assembly.
• High mechanical strength offering 70,000 PSI tensile strength and Rockwell B79 hardness for reliable performance under load.
• Secure, non-slip fastening provided by the knurled socket head and 5mm hex drive, allowing for high-torque installation.
• Optimized thread engagement with Class 5g6g fit and coarse M8 x 1.25mm pitch for quick assembly and vibration resistance.
• Global compliance and reliability meeting ISO 7379 standards, RoHS 3, and REACH for use in regulated industries.
• Versatile industrial application due to its metric dimensions and durable design, suitable for machinery, fixtures, and pivots.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure. The 316 Stainless Steel material provides excellent resistance to chemicals and moisture, making it ideal for demanding applications in marine, chemical processing, and food equipment. The 75mm shoulder length with precise tolerances acts as a pivot or spacer, ensuring accurate positioning of components like gears and bearings, which reduces friction and extends assembly life. Combined with the coarse thread pitch and socket head design, it allows for rapid, secure installation in high-vibration environments, enhancing productivity and reducing maintenance downtime in industrial settings.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing tight control for precision assemblies. It is manufactured in compliance with ISO 7379 specifications and is RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliant, confirming its suitability for global markets and environmentally conscious applications.