S-90265A412 M12 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and reducing replacement frequency.
• Enhanced torque transmission and grip from the knurled socket head and 8mm hex drive, preventing tool slippage during installation.
• High mechanical strength and durability with 70,000 psi tensile strength and Rockwell B83 hardness, ensuring reliable performance under heavy loads.
• Precision alignment and smooth rotation due to the 150mm shoulder with tight diameter tolerance, minimizing component wear.
• Wide compatibility and easy assembly with M12 coarse thread (1.75mm pitch) and Class 5g6g fit, suitable for standard metric applications.
• Compliance with international standards including ISO 7379, RoHS, and REACH, guaranteeing quality and environmental safety for global projects.
• Long service life and low maintenance thanks to the robust material and precise manufacturing, reducing downtime and operational costs.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address common challenges in precision assemblies, such as misalignment and rotational friction. The 150mm shoulder length provides a stable bearing surface, allowing for smooth movement in machinery like conveyor systems, robotic arms, and automotive fixtures. Made from 18-8 stainless steel, it offers excellent corrosion resistance, which is crucial for applications in humid or chemical-exposed environments, including food processing and marine equipment. The knurled socket head with an 8mm hex drive ensures secure tool engagement, enhancing torque application without stripping. By adhering to ISO 7379 and environmental standards, this screw delivers reliable performance in high-stress industrial settings, reducing the risk of failure and improving overall system efficiency.

Specification Summary & Compliance

The screw features precise dimensions, including a shoulder diameter tolerance of -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm, ensuring accurate fits. Thread specifications follow Class 5g6g for metric coarse threads, providing consistent engagement. It complies with ISO 7379 for manufacturing standards, RoHS 3 (2015/863/EU) for hazardous substance restrictions, and REACH (EC 1907/2006) for chemical safety, making it suitable for regulated industries.