S-90269A484 M3 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel and black oxide finish, ideal for harsh environments and extended service life.
• Precise alignment and secure positioning thanks to the 4mm shoulder diameter with tight tolerance, reducing assembly errors and improving component stability.
• High mechanical strength offering 70,000 PSI tensile strength and 35,000 PSI shear strength for reliable performance under heavy loads.
• Easy installation and removal with a hex socket (2mm drive) and knurled head, providing excellent grip and torque application without slippage.
• Accurate thread engagement with Class 5g6g metric thread fit and coarse 0.5mm pitch, ensuring consistent fastening in industrial assemblies.
• Durable and wear-resistant construction with Rockwell B79 hardness, maintaining integrity in high-stress applications.
• Compliant with environmental standards, meeting RoHS 3 and REACH regulations for safe and sustainable use in global markets.

Professional Applications & Engineering Value

This M3 shoulder screw is engineered to address critical needs in precision machinery, automation systems, and electronic enclosures where alignment and corrosion resistance are paramount. Made from 316 stainless steel with a black oxide finish, it effectively combats moisture, chemicals, and oxidation, reducing maintenance costs and downtime in industrial settings. The knurled head and hex drive design facilitate quick, secure fastening, while the shoulder feature ensures accurate component spacing and rotational stability. Ideal for applications in robotics, medical devices, and automotive assemblies, this screw delivers reliable performance under varying loads, thanks to its high tensile and shear strength. Its metric thread and Class 5g6g fit provide consistent engagement, minimizing the risk of thread stripping and enhancing overall assembly integrity.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional standards, including a Class 5g6g thread fit for metric applications, with a shoulder diameter tolerance of -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm. It conforms to RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and compliance for industrial use. The specifications support reliable performance in demanding conditions, backed by material and finish quality.