S-90269A727 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 outdoor applications.
• Exceptional mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable, high-stress fastening.
• Precision shoulder fit with a 140mm length and tight tolerances for accurate component alignment and reduced assembly play.
• Enhanced grip and anti-loosening from the knurled head texture, providing secure handling during installation.
• Durable black oxide finish that adds an extra layer of corrosion protection and reduces galling.
• Easy installation and removal with a standard hex drive, allowing for efficient tool engagement in confined spaces.
• Guaranteed dimensional accuracy with Class 5g6g thread fit, ensuring consistent performance and interchangeability.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical alignment and durability challenges in industrial applications. The 316 stainless steel material provides excellent resistance to chemicals and moisture, making it suitable for machinery, automotive assemblies, and marine equipment. The 140mm shoulder length acts as a precise pivot or spacer, minimizing misalignment and wear in rotating parts. Combined with the black oxide finish, it reduces friction and prevents seizing, extending service life. The hex drive and knurled head ensure quick, secure fastening, streamlining maintenance and reducing downtime in production lines.

Specification Summary & Compliance

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