S-90269A139 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments including chemical and marine applications.
• Precise alignment and smooth rotation provided by the 8mm shoulder length with controlled tolerances, reducing wear on mating parts.
• High mechanical strength and durability with a tensile strength of 70,000 psi and Rockwell B79 hardness for reliable performance under load.
• Secure and reliable fastening ensured by the Class 5g6g thread fit, offering excellent dimensional accuracy and vibration resistance.
• Easy installation with standard tools using the 3mm hex socket drive, allowing for high torque application without slippage.
• Compliance with strict environmental regulations, being RoHS 3 and REACH compliant for safe use in regulated industries.
• Optimized for demanding industrial use with a coarse 0.8mm thread pitch, enabling quick assembly and disassembly.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical challenges in precision machinery, automation, and assembly systems. The 316 Stainless Steel material provides exceptional resistance to corrosion and oxidation, making it suitable for applications in chemical processing, food equipment, and outdoor environments. The socket head design with a 3mm hex drive ensures easy access in confined spaces, while the 8mm shoulder length acts as a precise pivot or spacer, minimizing misalignment and reducing wear on components. With a Class 5g6g thread fit and coarse 0.8mm pitch, it offers reliable fastening in high-vibration settings, enhancing the longevity and efficiency of industrial assemblies. Ideal for use in robotics, conveyor systems, and precision instruments, this screw delivers consistent performance where durability and accuracy are paramount.

Specification Summary & Compliance

This shoulder screw features an M5 thread size with a 0.8mm coarse pitch and Class 5g6g thread fit per metric standards, ensuring precise dimensional control. The shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing reliable fit in assembly. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally sensitive and industrial applications without hazardous substances.