S-90265A111 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh environments and long-term reliability.
• Precise alignment and secure positioning thanks to the 4mm shoulder length and controlled tolerances, reducing assembly errors.
• High-strength performance with 70,000 psi tensile strength and 35,000 psi shear strength, ensuring dependable load-bearing in demanding applications.
• Easy installation and removal using the 2mm hex socket drive and knurled head for improved grip and torque application.
• Consistent thread engagement with Class 5g6g metric thread fit and 0.4mm coarse pitch, enabling quick assembly and vibration resistance.
• Enhanced durability from Rockwell B55 hardness, providing excellent wear resistance and extended service life.
• Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility for industrial use.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure in precision assemblies. Made from 18-8 stainless steel, it offers exceptional resistance to rust and chemicals, making it suitable for electronics, machinery, and automotive components where exposure to moisture or contaminants is a concern. The hex socket head and knurled texture facilitate secure driving in tight spaces, while the 4mm shoulder length provides a stable bearing surface for rotating parts like gears and pulleys. By combining metric coarse threads with high tensile and shear strength, this fastener ensures reliable performance in high-vibration environments, reducing maintenance needs and downtime for B2B clients.

Specification Summary & Compliance

This shoulder screw adheres to metric thread standards with a Class 5g6g thread fit for precise tolerance control. Key dimensions include a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring consistent assembly. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing compliance with environmental and safety requirements for industrial fasteners.