S-90265A388 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.
• Precise alignment and secure pivoting ensured by the 16mm diameter shoulder with tight tolerance, minimizing component wear.
• High mechanical strength and durability with Rockwell B83 hardness and 70,000 psi tensile strength, supporting heavy-duty applications.
• Reliable thread engagement with Class 5g6g thread fit and coarse 1.75mm pitch, facilitating faster assembly and vibration resistance.
• Compliance with international standards including ISO 7379, RoHS 3, and REACH, ensuring quality and environmental safety for global operations.
• Optimized for industrial use with a right-hand metric thread and 18mm thread length, providing versatile and secure fastening solutions.

Professional Applications & Engineering Value

This M12 shoulder screw is engineered to address critical challenges in industrial applications such as machinery assembly, automation systems, and precision equipment. The 18-8 Stainless Steel material offers excellent corrosion resistance, reducing maintenance costs in humid or chemically aggressive settings. The 16mm shoulder diameter with precise tolerances ensures accurate component alignment, preventing misalignment and extending service life. Combined with a knurled socket head and hex drive, it allows for high-torque installation without stripping, enhancing operational efficiency. The coarse thread pitch and Class 5g6g thread fit provide robust holding power, making it ideal for high-vibration environments where reliability is paramount.

Specification Summary & Compliance

This shoulder screw features a metric thread with M12 size, 1.75mm pitch, and Class 5g6g thread fit for precise dimensional accuracy. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, adhering to ISO 7379 manufacturing standards. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for regulated industries.