S-90269A702 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and extended service life.
• Exceptional mechanical strength offering a tensile strength of 70,000 psi and shear strength of 35,000 psi for reliable performance under load.
• Precise location and pivot function enabled by the 65mm long shoulder with a controlled diameter tolerance for accurate component alignment.
• Easy and secure installation with a 5mm hex socket drive and a knurled head for improved grip and torque application.
• Guaranteed interchangeability through compliance with ISO 7379 standards and Class 5g6g thread fit, ensuring consistent quality.
• Environmental and safety compliance by meeting RoHS 3 and REACH regulations, making it suitable for sensitive applications.
• Optimized for coarse threading with an M8 x 1.25mm thread for faster assembly and reduced risk of cross-threading.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and pivot challenges in industrial assemblies. The 316 Stainless Steel material provides excellent resistance to corrosion from chemicals and moisture, making it perfect for food processing, marine, and chemical industry equipment. The precision-ground 65mm shoulder acts as a dependable datum for locating parts like gears, pulleys, and linkages, minimizing misalignment and wear. The coarse pitch metric thread (M8 x 1.25mm) ensures quick and secure fastening, while the knurled head and hex drive facilitate easy manual or tool-driven installation even in confined spaces. Its robust construction, with a Rockwell B79 hardness and high tensile strength, ensures it can withstand dynamic loads and vibrations, providing long-term reliability in demanding precision engineering applications.

Specification Summary & Compliance

This shoulder screw features an M8 x 1.25mm coarse pitch thread with a Class 5g6g thread fit for standard tolerance. The shoulder diameter is 10 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 65 mm with a tolerance of 0 to 0.25 mm, ensuring precise dimensional control. It is manufactured in accordance with ISO 7379 specifications and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations.