S-90269A295 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh industrial environments and extended service life.
• Exceptional mechanical strength offering 70,000 psi tensile strength and Rockwell B79 hardness for reliable performance under high-stress conditions.
• Precise component alignment enabled by the 80mm shoulder with controlled diameter tolerance, reducing wear and simplifying assembly.
• Secure and efficient installation with a 5mm hex socket drive and knurled head for superior grip and torque application.
• Guaranteed dimensional interchangeability through compliance with ISO 7379 standards and Class 5g6g thread fit.
• Environmental and regulatory compliance meeting RoHS 3 and REACH directives, ensuring safety and suitability for global markets.
• Optimized for heavy-duty applications with a coarse M8x1.25 thread and 13mm thread length for strong, vibration-resistant connections.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision machinery and industrial assemblies. The 316 Stainless Steel material provides excellent resistance to corrosion and chemicals, making it suitable for applications in marine, chemical processing, and food-grade equipment where durability is paramount. The 80mm shoulder length acts as a precise pivot, spacer, or axle, ensuring accurate alignment of moving parts and reducing eccentric loads that can cause premature failure. The hex socket drive and knurled head offer secure, high-torque installation in confined spaces, while the Class 5g6g thread fit ensures consistent engagement and clamping force. This fastener is ideal for securing bearings, gears, and linkages in automation systems, conveyor equipment, and precision instruments, delivering long-term reliability and reducing maintenance downtime.

Specification Summary & Compliance

This shoulder screw features an M8x1.25 coarse metric thread with a Class 5g6g thread fit per ISO standards, ensuring high precision and interchangeability. The shoulder diameter is 10 mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 80 mm with a tolerance of 0 to 0.25 mm, providing exact dimensional control. Manufactured to meet ISO 7379 specifications, it is also RoHS 3 (2015/863/EU) Compliant and REACH (EC 1907/2006) Compliant, confirming adherence to stringent environmental and safety regulations for industrial components.