S-90323A251 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel material, ideal for harsh industrial environments and extended service life.
• High mechanical strength and durability offering 80,000 psi tensile strength and Rockwell B95 hardness for reliable performance under load.
• Precise alignment and reduced wear thanks to the accurately machined shoulder with tight diameter and length tolerances for stable component positioning.
• Easy installation in confined spaces with a low-profile socket head and 5 mm hex drive, allowing efficient assembly with standard tools.
• Secure and consistent fastening ensured by the Class 6g thread fit and coarse M8x1.25 thread pitch for quick engagement and vibration resistance.
• Enhanced chemical stability from the passivated finish, providing an extra layer of protection against oxidation and contaminants.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use in various applications.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address common challenges in precision machinery, such as misalignment and component wear. The 18-8 stainless steel construction combined with a passivated finish delivers excellent corrosion resistance, making it suitable for demanding environments like automotive assemblies, conveyor systems, and electronic enclosures. The low-profile socket head and hex drive facilitate easy access in tight spaces, while the precise shoulder fit ensures accurate alignment of moving parts, reducing friction and maintenance needs. With a coarse thread pitch and Class 6g thread fit, it offers quick installation and reliable holding power, ideal for high-vibration applications where durability is critical.

Specification Summary & Compliance

This shoulder screw features a metric M8x1.25 coarse thread with a Class 6g thread fit for standard tolerance, along with precise shoulder dimensions (10 mm diameter and 8 mm length with tight tolerances). It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring adherence to environmental and safety standards for industrial use.