S-90265A118 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 Stainless Steel construction, ideal for harsh industrial environments and outdoor applications.
• Precise component alignment ensured by the 6mm shoulder length with tight tolerances, reducing assembly errors and improving mechanical stability.
• High tensile and shear strength (70,000 psi tensile, 35,000 psi shear) provides reliable performance under heavy loads and vibration.
• Easy installation and removal with a 2mm hex socket drive and knurled head texture, offering secure grip and reduced tool slippage.
• Accurate thread engagement due to Class 5g6g thread fit, ensuring consistent fastening and minimizing cross-threading risks.
• Durable and long-lasting with Rockwell B55 hardness, maintaining structural integrity through repeated use.
• Compliance with environmental standards including RoHS 3 and REACH, making it safe for global industrial supply chains.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered from 18-8 Stainless Steel to address common industrial challenges like corrosion and mechanical failure. The 6mm shoulder length with precise tolerances provides a stable pivot or spacer in assemblies, preventing misalignment in machinery, automotive components, and electronic enclosures. The hex socket drive and knurled head enhance torque application, reducing installation time and tool wear. With a coarse thread pitch of 0.5mm and Class 5g6g thread fit, it ensures quick, secure fastening in high-vibration environments, while the high tensile strength supports demanding applications like robotics and precision instruments, offering reliability and reduced maintenance costs.

Specification Summary & Compliance

This shoulder screw features a metric M3x0.5 thread with Class 5g6g thread fit for consistent dimensional accuracy. The shoulder diameter is 4mm with a tolerance of -0.072 to -0.01 mm, and shoulder length is 6mm with a tolerance of 0 to 0.25 mm, adhering to standard industrial specifications. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances and suitable for global engineering projects requiring environmental and safety standards.