S-90269A275 M6 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments thanks to 316 stainless steel construction, ideal for chemical, marine, and outdoor applications.
• Precise component alignment and reduced wear ensured by the 110mm precision shoulder with tight diameter tolerance for stable rotational movement.
• High mechanical strength and durability with 70,000 psi tensile strength and Rockwell B79 hardness, resisting deformation under heavy loads.
• Secure and easy installation using a standard 4 mm hex drive and knurled head for improved grip and torque application.
• Reliable coarse thread engagement with M6x1mm Class 5g6g thread fit, providing quick assembly and vibration resistance in dynamic applications.
• Compliance with international standards including ISO 7379, ensuring consistent quality, interchangeability, and performance in global engineering projects.
• Environmentally safe and regulated with RoHS 3 and REACH compliance, meeting strict industry regulations for hazardous substances.

Professional Applications & Engineering Value

This 316 stainless steel shoulder screw is engineered to address critical alignment and durability challenges in industrial settings. The M6 coarse thread and 110mm precision shoulder provide exact positioning for rotating parts like bearings, gears, and pulleys, minimizing misalignment and extending equipment life. Made from corrosion-resistant 316 stainless steel, it performs reliably in aggressive environments such as chemical processing, marine equipment, and food machinery, where moisture and chemicals are prevalent. The socket head with hex drive allows for efficient installation in confined spaces, while the knurled texture enhances handling. Ideal for automation, machinery assembly, and precision instruments, this screw ensures long-term operational stability and reduced maintenance costs.

Specification Summary & Compliance

This shoulder screw adheres to ISO 7379 specifications, with a Class 5g6g thread fit ensuring dimensional accuracy and compatibility. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing precise fit for engineering applications. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its safety and environmental standards.