S-90269A935 M27 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 wear resistance from the black oxide finish, providing added protection against rust and galling.
• High mechanical strength with 70,000 psi tensile strength and 35,000 psi minimum shear strength, ensuring reliable performance under heavy loads.
• Precise alignment and smooth rotation due to the 30mm diameter shoulder with tight tolerance, minimizing component wear.
• Secure and non-slip installation with the 45mm knurled head and 14mm hex socket drive, allowing for high torque application.
• Accurate and reliable threading with Class 5g6g thread fit and coarse M27x3mm pitch, ensuring easy assembly and vibration resistance.
• Global compliance and safety meeting ISO 7379, RoHS 3, and REACH standards, suitable for regulated industries and export requirements.

Professional Applications & Engineering Value

This M27x3mm shoulder screw is engineered to address critical alignment and load-bearing challenges in industrial applications. Made from 316 stainless steel and featuring a black oxide finish, it offers exceptional resistance to corrosion and oxidation, making it ideal for machinery, automotive assemblies, and marine equipment. The 60mm shoulder length with precise diameter tolerance ensures components remain perfectly aligned, reducing wear and maintenance costs. The knurled head and hex socket drive facilitate secure handling in high-vibration environments, while the coarse thread and Class 5g6g fit provide quick, reliable fastening. This screw delivers long-term reliability and performance in demanding settings, from heavy-duty manufacturing to precision engineering projects.

Specification Summary & Compliance

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