S-90269A844 M12 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel material and Black Oxide finish, ideal for harsh industrial environments.
• Precise alignment and smooth rotation due to the 80mm shoulder length with tight tolerances, reducing wear in assemblies.
• High tensile and shear strength (70,000 PSI tensile, 35,000 PSI min shear) ensures reliable performance under heavy loads.
• Easy installation and removal with a knurled head and 8mm hex socket drive, providing a secure grip and reducing tool slippage.
• Accurate thread engagement with Class 5g6g thread fit and M12x1.75 coarse pitch, enabling quick assembly and vibration resistance.
• Durable and long-lasting with Rockwell B79 hardness, maintaining integrity in repetitive mechanical applications.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, ensuring safety and environmental responsibility.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address common industrial challenges such as misalignment and corrosion in machinery. Made from 316 Stainless Steel with a Black Oxide finish, it offers exceptional resistance to chemicals and moisture, making it suitable for marine, chemical processing, and outdoor equipment. The 80mm shoulder length provides a precise bearing surface, reducing friction and extending the life of moving parts in assemblies like pivots, gears, and linkages. With a hex socket drive and knurled head, it ensures easy handling in tight spaces, while the metric thread and coarse pitch facilitate quick installation in high-vibration environments. Ideal for precision engineering applications, this fastener enhances reliability and reduces maintenance downtime.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 standards, with precise dimensions including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm. The thread fit is Class 5g6g for metric applications, ensuring compatibility and performance. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting environmental and safety regulations for industrial use.