S-90269A198 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 alignment and smooth rotation ensured by the 30mm shoulder with controlled diameter tolerance for reduced wear in assemblies.
• High mechanical strength offering 70,000 psi tensile strength and 35,000 psi minimum shear strength for reliable performance under load.
• Secure and efficient installation with a hex socket drive and knurled head texture, providing excellent grip and torque transmission.
• Accurate and consistent threading with Class 5g6g metric coarse pitch (M2 x 0.4mm), ensuring easy assembly and vibration resistance.
• Long-term durability supported by Rockwell B79 hardness, maintaining integrity in repetitive use scenarios.
• Compliance with global standards including RoHS 3 and REACH, making it safe for various industrial and electronic applications.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical alignment and corrosion challenges in precision assemblies. Made from 316 stainless steel, it excels in environments exposed to moisture, chemicals, and high temperatures, preventing rust and ensuring long-term reliability. The 30mm shoulder length provides a stable bearing surface, reducing friction and misalignment in machinery, robotics, and electronic enclosures. With a hex socket drive and knurled head texture, it allows for secure tightening in confined spaces, enhancing installation efficiency. The Class 5g6g thread fit and coarse pitch facilitate quick assembly while resisting loosening under vibration, making it ideal for industrial fastening applications where precision and durability are paramount.

Specification Summary & Compliance

This shoulder screw features a metric M2 x 0.4mm coarse pitch thread with Class 5g6g tolerance for precise fit. The shoulder diameter is 3 mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 30 mm with a tolerance of 0 to 0.25 mm, ensuring consistent performance. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, affirming its suitability for environmentally sensitive and global industrial use.