S-90323A255 M8 Shoulder Screws

Key Features & Benefits at a Glance

• Exceptional corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments.
• Precise component alignment ensured by the smooth, low-profile socket head and precise shoulder fit, minimizing assembly play.
• High mechanical strength and durability from an 80,000 psi tensile strength and Rockwell B95 hardness for demanding applications.
• Reliable and secure fastening with a Class 6g thread fit and coarse M8x1.25 thread for robust connections.
• Easy installation and maintenance using a standard 5 mm hex drive, compatible with common tools.
• Regulatory compliance and safety guaranteed by meeting RoHS 3 and REACH standards for global industrial use.
• Optimized space utilization due to the low-profile head design, suitable for compact assemblies.

Professional Applications & Engineering Value

This M8 shoulder screw is engineered to address critical challenges in precision machinery and industrial equipment. The 18-8 stainless steel material, combined with a passivated finish, provides superior resistance to corrosion and wear, extending service life in demanding environments like automotive assemblies and manufacturing systems. The low-profile socket head and precise shoulder fit with tight tolerances (shoulder diameter: -0.025 to 0 mm; length: 0 to 0.05 mm) ensure accurate alignment and reduced vibration, preventing misalignment and component failure. With a Class 6g thread fit and coarse thread design, it offers quick, secure fastening in high-stress applications, enhancing operational reliability and reducing maintenance downtime for B2B clients.

Specification Summary & Compliance

This shoulder screw adheres to metric standards with a Class 6g thread fit for precise dimensional accuracy. Key specifications include an M8x1.25 coarse thread, 20 mm shoulder length, and 13 mm thread length, manufactured to ensure consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious industrial applications without hazardous substances.