S-90269A738 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 a protective layer and reduced galling.
• Precise alignment and smooth rotation ensured by the 70mm shoulder with controlled diameter tolerance for consistent performance in assemblies.
• High-strength fastening with 70,000 psi tensile strength and 35,000 psi minimum shear strength, suitable for demanding mechanical loads.
• Secure and reliable thread engagement using a coarse M8x1.25 metric thread with Class 5g6g fit for robust connections.
• Easy installation and removal with a 5mm hex socket drive and knurled head for improved grip and torque application.
• Global compliance and quality assurance meeting ISO 7379 standards, RoHS 3, and REACH regulations for safe, reliable use.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in industrial assemblies, such as maintaining precise component alignment and resisting environmental degradation. The 316 Stainless Steel material offers excellent resistance to corrosion and high temperatures, making it suitable for applications in marine, chemical processing, and food machinery. The black oxide finish not only enhances aesthetics but also reduces friction and prevents seizing, extending service life. With a 70mm shoulder length and standard shoulder fit, it provides a stable pivot or spacer in rotating mechanisms, reducing wear and ensuring smooth operation. The hex socket drive allows for efficient installation in confined spaces, supporting high-volume production and maintenance workflows. Ideal for use in precision equipment, automotive systems, and heavy-duty machinery, this screw delivers reliable performance under stress while complying with international standards for safety and environmental responsibility.

Specification Summary & Compliance

This shoulder screw features precise dimensional tolerances, including a shoulder diameter of 10 mm with a tolerance of -0.072 to -0.01 mm and a shoulder length of 70 mm with a tolerance of 0 to 0.25 mm. The thread fit conforms to Class 5g6g under metric standards, ensuring accurate and secure fastening. It is manufactured in accordance with ISO 7379 and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety requirements.