S-90269A502 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance in harsh environments due to 316 Stainless Steel construction, ideal for chemical and marine applications.
• Precise component alignment and spacing with a 5mm shoulder diameter and length, ensuring accurate assembly and reduced wear.
• High torque transmission and slip resistance from the knurled socket head and 2.5mm hex drive, enabling secure fastening.
• Exceptional mechanical strength with 70,000 psi tensile and 35,000 psi shear strength, providing reliable performance under load.
• Consistent and reliable thread engagement thanks to Class 5g6g thread fit and M3x0.5mm coarse pitch for easy installation.
• Enhanced durability and material integrity from Rockwell B79 hardness, resisting deformation in demanding applications.
• Compliance with global environmental standards including RoHS 3 and REACH, ensuring safe and sustainable use.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical alignment and corrosion challenges in precision assemblies. The 316 Stainless Steel material offers excellent resistance to chemicals, saltwater, and high temperatures, making it ideal for industrial applications like machinery, automotive, and electronic enclosures. The 5mm shoulder length and precise diameter act as a pivot or spacer, reducing friction and maintaining component positioning. Combined with a knurled socket head and hex drive, it ensures maximum torque application without stripping, while the coarse thread pitch facilitates quick assembly in automated or manual processes. This design delivers long-term reliability, minimizing maintenance and downtime in corrosive or high-stress environments.

Specification Summary & Compliance

The screw features a Class 5g6g thread fit per metric standards, ensuring dimensional accuracy and interchangeability. Shoulder diameter tolerance is -0.072 to -0.01 mm, and shoulder length tolerance is 0 to 0.25 mm, providing precise manufacturing control. It is manufactured in compliance with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its adherence to environmental and safety standards for industrial use.