S-90323A463 M5 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction and passivated finish, ideal for harsh industrial environments
• Precise component alignment ensured by the precisely machined shoulder with tight diameter and length tolerances
• High mechanical strength delivering 80,000 psi tensile strength and Rockwell B95 hardness for reliable, long-lasting performance
• Space-saving low-profile design with smooth, low socket head for applications with limited clearance
• Secure and efficient installation using a standard 3 mm hex key, preventing cam-out and tool slippage
• Accurate and reliable threading with Class 6g fit and coarse M5x0.8 thread for quick assembly and consistent engagement
• Compliance with global regulations including RoHS 3 and REACH, ensuring safety and environmental responsibility

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to solve critical alignment challenges in precision assemblies. The 18-8 stainless steel material, combined with a passivated finish, provides excellent resistance to oxidation and chemical exposure, making it suitable for demanding environments like automation equipment, medical devices, and optical instruments. The precise shoulder fit acts as a pivot or axle, ensuring components like gears, bearings, and linkages are perfectly positioned without additional bushings. The low socket head and hex drive design allow for compact installations and secure torque application, reducing the risk of assembly errors and maintenance downtime in industrial shoulder screw applications.

Specification Summary & Compliance

This metric shoulder screw features a Class 6g thread fit per ISO standards, ensuring dimensional accuracy and interchangeability. The shoulder diameter tolerance is -0.025 to 0 mm, and shoulder length tolerance is 0 to 0.05 mm, providing a precise shoulder fit for exact alignment. Manufactured from 18-8 stainless steel with a passivated surface treatment, it meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, confirming its suitability for regulated industrial and electronic applications.