S-90269A477 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction and Black Oxide finish, ideal for harsh industrial environments
• Precise alignment and secure positioning thanks to the 14mm shoulder length with tight tolerance control
• High mechanical strength delivering 70,000 psi tensile strength and 35,000 psi minimum shear strength for demanding applications
• Reliable thread engagement with Class 5g6g thread fit ensuring consistent fastening performance
• Easy installation and removal using standard 2mm hex drive tools with knurled head for improved grip
• Environmental compliance assurance meeting RoHS 3 and REACH regulations for global market acceptance
• Optimized for metric systems with M3 x 0.5mm coarse thread providing quick assembly in industrial equipment

Professional Applications & Engineering Value

This precision shoulder screw solves critical alignment challenges in industrial machinery, automation systems, and precision instruments. The 316 Stainless Steel construction with Black Oxide finish provides exceptional resistance to chemicals, moisture, and industrial atmospheres, significantly extending service life in corrosive environments. The 14mm shoulder length with controlled tolerances ensures precise component spacing and rotational stability, eliminating misalignment issues in assemblies. The M3 x 0.5mm coarse thread with Class 5g6g fit guarantees reliable fastening in vibration-prone applications, while the socket head hex drive allows for high-torque installation in confined spaces. These engineering features make it ideal for precision positioning in robotics, medical devices, and electronic enclosures where dimensional accuracy and corrosion resistance are paramount.

Specification Summary & Compliance

This metric shoulder screw features precise dimensional control with shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm. The M3 x 0.5mm thread conforms to Class 5g6g thread fit standards for consistent performance. Manufacturing complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) environmental regulations, ensuring safe use across various industrial sectors. The combination of Rockwell B79 hardness and controlled tolerances delivers reliable mechanical performance in precision assembly applications.