S-90269A113 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments including marine and chemical applications.
• Precise component alignment ensured by the 3mm shoulder diameter and 6mm shoulder length, reducing assembly time and improving mechanical stability.
• High mechanical strength with 70,000 psi tensile strength and Rockwell B79 hardness, providing reliable performance under heavy loads and vibration.
• Secure and efficient installation using the 2mm hex socket drive and knurled head, preventing tool slippage and enabling high-torque fastening.
• Accurate and consistent threading with Class 5g6g metric coarse pitch (M2 x 0.4mm), ensuring easy startup and robust fastening in high-volume production.
• Compliance with strict environmental standards, including RoHS 3 and REACH, making it suitable for global markets and sensitive industries.
• Durable and long-lasting performance due to the material properties and precise manufacturing, reducing maintenance needs and replacement costs.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical challenges in precision assemblies, such as misalignment and corrosion-induced failure. The 316 stainless steel material offers exceptional resistance to corrosive agents, making it ideal for use in medical devices, marine equipment, and food processing machinery where sanitation and durability are paramount. The knurled head and hex socket drive facilitate secure handling and high-torque installation, minimizing the risk of damage during assembly. With a Class 5g6g thread fit and coarse 0.4mm pitch, it ensures quick and reliable engagement in automated production lines, reducing downtime and enhancing operational efficiency. The integrated shoulder provides exact positioning for rotating parts like bearings and pulleys, preventing axial movement and extending component life in demanding mechanical systems.

Specification Summary & Compliance

This shoulder screw adheres to metric system specifications with an M2 thread size and 0.4mm coarse pitch. The thread is manufactured to Class 5g6g tolerance, ensuring precise fit and interchangeability. Key dimensional tolerances include a shoulder diameter of 3 mm (-0.072 to -0.01 mm) and shoulder length of 6 mm (0 to 0.25 mm). The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and regulated industries.