S-90269A850 M12 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
• Enhanced durability and mechanical strength with 70,000 psi tensile strength and Rockwell B79 hardness for reliable, long-term performance
• Precise alignment and spacing provided by the 190mm shoulder with controlled tolerances, reducing assembly errors and improving component fit
• Secure, non-slip installation thanks to the knurled head and 8mm hex socket drive, allowing for high-torque applications
• Optimized thread engagement with Class 5g6g thread fit and coarse M12x1.75mm thread, ensuring quick assembly and vibration resistance
• Improved wear resistance and reduced light reflection from the black oxide finish, extending service life in demanding applications
• Global compliance and reliability meeting ISO 7379 standards and RoHS 3/REACH regulations for safe, international industrial use

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical alignment and corrosion challenges in precision machinery. The 316 stainless steel material provides exceptional resistance to corrosive agents, making it ideal for marine, chemical processing, and food industry applications where moisture and chemicals are prevalent. The 190mm shoulder length with tight diameter tolerance ensures accurate component positioning, eliminating misalignment in rotating assemblies, pivots, and guide mechanisms. Combined with the coarse metric thread and black oxide finish, it offers quick installation and reduced maintenance in high-stress environments. These features make it a reliable choice for industrial equipment, automation systems, and any application requiring robust, corrosion-resistant fastening with precise dimensional control.

Specification Summary & Compliance

This shoulder screw features a Class 5g6g thread fit per metric standards, ensuring precise thread engagement. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing 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, guaranteeing environmental safety and material integrity for global industrial use.