S-90265A315 M8 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and reducing maintenance frequency.
• Exceptional mechanical strength with a tensile strength of 70,000 psi and Rockwell B83 hardness for reliable performance under high stress.
• Precise alignment and smooth rotation due to the 90mm shoulder length with tight tolerances, minimizing component wear.
• Efficient installation and high torque transmission enabled by the 5mm hex socket drive and knurled head for a secure, non-slip grip.
• Wide compatibility and reliable fastening with M8x1.25 coarse metric thread (Class 5g6g fit) for quick assembly in various industrial applications.
• Compliance with international quality and environmental standards including ISO 7379, RoHS 3, and REACH, ensuring safety and regulatory adherence.
• Durable and long-lasting performance with a minimum shear strength of 45,000 psi, providing dependable service in demanding conditions.

Professional Applications & Engineering Value

This precision shoulder screw is engineered to address common industrial challenges such as misalignment, vibration loosening, and corrosion-induced failure. The 18-8 stainless steel material offers excellent resistance to rust and oxidation, making it suitable for applications in machinery, automotive assemblies, and electronic equipment exposed to moisture or chemicals. The 90mm shoulder length provides a stable bearing surface, ensuring precise component positioning and reducing stress on threaded sections. Combined with the M8 coarse thread and hex socket drive, it allows for quick, secure fastening in high-torque scenarios, while the knurled head enhances grip during manual adjustments. Ideal for pivots, guides, and rotating mechanisms, this screw delivers reliable performance and extends equipment lifespan in demanding industrial shoulder bolt applications.

Specification Summary & Compliance

This M8 shoulder screw features a Class 5g6g thread fit for standard metric tolerances, ensuring consistent engagement and ease of assembly. The shoulder diameter is 10mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 90mm with a 0 to 0.25 mm tolerance, providing precise dimensional accuracy. Manufactured in accordance with ISO 7379 specifications, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental standards, confirming its suitability for global industrial use without hazardous substances.