S-90278A437 M2 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ensuring long-term reliability in harsh environments.
• Precise alignment and positioning thanks to the 8mm shoulder with tight tolerances (±0.05mm), reducing assembly errors and improving product quality.
• High tensile strength of 70,000 psi and Rockwell B55 hardness for dependable performance in demanding mechanical applications.
• Easy installation and removal with a hex socket head and 1.5mm drive, allowing for secure torque application in confined spaces.
• Accurate thread engagement with Class 6g fit and coarse M2x0.4 threads, ensuring consistent fastening and vibration resistance.
• Compliance with RoHS 3 and REACH regulations, making these shoulder screws safe for use in various industries without environmental concerns.
• Smooth head texture and standard profile for a clean finish and compatibility with standard tools, streamlining the assembly process.

Professional Applications & Engineering Value

This M2 shoulder screw is engineered to address critical challenges in precision assemblies, such as misalignment and component wear. The 18-8 stainless steel material offers excellent corrosion resistance, ideal for applications in electronics, automotive, and machinery where exposure to moisture or chemicals is common. The 8mm shoulder length with precise tolerances ensures accurate spacing and alignment, reducing the need for additional components and minimizing assembly time. With a hex socket head and coarse thread design, it provides reliable fastening in high-vibration environments, enhancing the durability and efficiency of your equipment. These features make it a top choice for industries requiring precision shoulder screws that maintain integrity under stress.

Specification Summary & Compliance

This shoulder screw adheres to metric standards with a thread size of M2x0.4 and Class 6g thread fit for consistent performance. Dimensions include a shoulder diameter of 3mm with a tolerance of -0.025 to 0 mm and shoulder length of 8mm with a tolerance of 0 to 0.05 mm, ensuring precise manufacturing. It is compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006), meeting environmental and safety regulations for industrial use.