S-90269A689 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 enabled by the 10mm shoulder diameter with tight tolerance, ensuring accurate assembly and reduced wear
• High mechanical strength offering 70,000 PSI tensile strength and Rockwell B79 hardness for reliable performance under load
• Secure and efficient installation with a 5mm hex socket drive and knurled head for superior grip and torque application
• Optimized thread engagement with M8x1.25 coarse pitch and Class 5g6g fit, providing quick assembly and vibration resistance
• Global compliance and reliability meeting ISO 7379 standards and RoHS 3/REACH regulations for safe, quality-assured use
• Durability in demanding applications with a minimum shear strength of 35,000 PSI, suitable for high-stress industrial settings

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and corrosion challenges in industrial applications. The 316 Stainless Steel material provides exceptional resistance to chemicals and moisture, preventing failure in aggressive environments. The precision 10mm shoulder diameter acts as a pivot or bearing surface, eliminating misalignment in machinery, automation systems, and precision instruments. Combined with the coarse pitch thread and hex socket drive, it ensures rapid, secure fastening that withstands vibrations and dynamic loads. This design is ideal for securing rotating parts, guiding linear motion, and maintaining positional accuracy, reducing maintenance downtime and enhancing operational efficiency in sectors like manufacturing, marine, and chemical processing.

Specification Summary & Compliance

This shoulder screw features an M8x1.25 coarse thread with Class 5g6g tolerance for precise fit. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, ensuring high dimensional accuracy. It is manufactured to ISO 7379 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing environmental safety and material integrity.