S-90269A542 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction and black oxide finish, ideal for harsh environments and extended service life
• Precise component alignment ensured by the 16mm shoulder length with controlled tolerances, reducing assembly errors and improving mechanical stability
• High mechanical strength offering 70,000 psi tensile and 35,000 psi shear strength for reliable performance under heavy loads and vibration
• Consistent thread engagement with Class 5g6g thread fit and M4 x 0.7mm coarse pitch, enabling faster installation and secure fastening
• Easy installation and removal using a standard 3mm hex drive socket head, minimizing tool slippage and damage in tight spaces
• Regulatory compliance assurance with RoHS 3 and REACH standards, meeting strict environmental and safety requirements for industrial use
• Durable wear resistance from Rockwell B79 hardness, maintaining dimensional stability and thread integrity through repeated use

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and corrosion challenges in precision assemblies. The 316 stainless steel material, combined with a black oxide finish, provides exceptional resistance to chemicals, moisture, and oxidation, making it suitable for marine, chemical processing, and outdoor equipment applications. The 10mm thread length and 16mm shoulder with tight tolerances ensure accurate positioning of components like bearings, gears, and pulleys, reducing misalignment and wear. The coarse pitch metric thread and Class 5g6g fit facilitate quick assembly while maintaining vibration resistance, ideal for automation systems and machinery where reliability is paramount. By integrating a socket head with hex drive, it allows for efficient torque application in confined spaces, enhancing productivity and reducing maintenance downtime.

Specification Summary & Compliance

This shoulder screw features precise dimensions including a 10mm thread length, 16mm shoulder length with tolerance of 0 to 0.25 mm, and shoulder diameter tolerance of -0.072 to -0.01 mm. Thread specifications adhere to Metric M4 x 0.7mm coarse pitch with Class 5g6g thread fit for consistent performance. Manufactured to high standards, it complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring environmental safety and suitability for global industrial markets.