S-90269A212 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and extended service life.
• Precise alignment and smooth rotation due to the 28mm shoulder length with tight tolerances, reducing wear in assemblies.
• High tensile strength of 70,000 PSI ensures reliable performance under heavy loads and mechanical stress.
• Easy and secure installation with a 2mm hex drive and knurled head, providing excellent grip and torque application.
• Accurate and durable threading with Class 5g6g fit and coarse M3x0.5mm metric thread, offering consistent fastening in industrial applications.
• Enhanced durability from Rockwell B79 hardness, resisting deformation and maintaining integrity over repeated use.
• Compliance with environmental regulations including RoHS 3 and REACH, ensuring safe and sustainable use in global markets.

Professional Applications & Engineering Value

This M3 shoulder screw in 316 stainless steel is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure. The 28mm shoulder length provides a stable bearing surface for precise component positioning in machinery, reducing vibration and extending equipment life. With a coarse metric thread and Class 5g6g thread fit, it ensures quick assembly and reliable holding power in high-stress environments like automotive, electronics, and manufacturing. The hex drive and knurled head facilitate easy installation with standard tools, while the right-hand thread design supports efficient fastening in automated systems. Ideal for applications requiring RoHS and REACH compliance, this screw offers long-term reliability and reduced maintenance costs.

Specification Summary & Compliance

This shoulder screw features precise dimensions, including a shoulder diameter tolerance of -0.072 to -0.01 mm and shoulder length tolerance of 0 to 0.25 mm, ensuring consistent fit in metric assemblies. It adheres to Class 5g6g thread fit standards for accuracy and is manufactured to meet RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting safe and environmentally responsible industrial use.