S-90269A165 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and chemical exposure.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable, high-load applications.
• Precise component alignment enabled by the 30mm shoulder with tight diameter tolerance, reducing wear and simplifying assembly.
• Secure, non-slip fastening thanks to the knurled socket head and 5mm hex drive, ensuring firm tool grip during installation.
• Wide compatibility and easy installation with M8x1.25 coarse metric thread and Class 5g6g fit, conforming to common industrial standards.
• Enhanced durability and longevity from Rockwell B79 hardness, resisting deformation under stress.
• Guaranteed regulatory compliance meeting ISO 7379, RoHS 3, and REACH, ensuring safety and environmental standards.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and corrosion challenges in demanding sectors. The 316 Stainless Steel material provides excellent resistance to corrosive agents, making it suitable for marine, chemical processing, and food industry equipment where moisture and chemicals are prevalent. The 30mm shoulder length with precise tolerances acts as a pivot or axle, ensuring accurate positioning of moving parts like gears and pulleys, which reduces vibration and component wear. The knurled socket head with a 5mm hex drive offers secure torque transmission, preventing cam-out and stripping in high-torque assembly scenarios. By conforming to ISO 7379, it guarantees interchangeability and reliability in industrial applications, from machinery assembly to precision instruments, enhancing operational efficiency and reducing maintenance costs.

Specification Summary & Compliance

This shoulder screw features an M8x1.25 coarse metric thread with Class 5g6g tolerance for consistent fit. The shoulder diameter is 10mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 30mm with 0 to 0.25 mm tolerance, ensuring high dimensional accuracy. It is manufactured to meet ISO 7379 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its adherence to international safety and environmental standards.