S-90269A579 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and outdoor applications.
• Enhanced durability and wear resistance provided by the black oxide finish, which also reduces light reflection and galling.
• High mechanical strength with 70,000 psi tensile strength and 35,000 psi shear strength, ensuring reliable performance under heavy loads.
• Precise alignment and smooth rotation thanks to the 10mm shoulder length with standard fit, reducing wear on mating parts.
• Secure and tamper-resistant fastening with the hex socket head design, allowing for high torque application in confined spaces.
• Accurate and reliable thread engagement with Class 5g6g thread fit and coarse M4 x 0.7mm pitch for quick assembly and vibration resistance.
• Compliance with environmental and safety standards including RoHS 3 and REACH, ensuring safe use in regulated industries.

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address common industrial challenges such as misalignment, corrosion, and mechanical failure. The 316 stainless steel material offers excellent resistance to chemicals and saltwater, making it suitable for marine, chemical processing, and food industry applications. The black oxide finish not only enhances corrosion protection but also minimizes friction, extending the service life of moving components. With a 10mm shoulder length and precise Class 5g6g thread fit, it ensures accurate positioning in assemblies like machinery pivots, bearing mounts, and precision instruments, reducing downtime and maintenance costs. The hex socket drive allows for easy installation in tight spaces, improving assembly efficiency in automated systems and robotics.

Specification Summary & Compliance

This shoulder screw features a metric M4 x 0.7mm coarse thread with Class 5g6g thread fit for consistent performance. Dimensions include a shoulder diameter of 6 mm (tolerance: -0.072 to -0.01 mm) and shoulder length of 10 mm (tolerance: 0 to 0.25 mm), ensuring precise assembly. It meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) compliance, supporting use in environmentally sensitive and regulated sectors. Manufactured to high standards, it delivers reliable hardness (Rockwell B79) and strength for demanding applications.