S-90269A535 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh industrial environments and chemical exposure.
• Enhanced durability and strength offering 70,000 psi tensile strength and Rockwell B79 hardness for reliable, long-term performance under load.
• Precise alignment and spacing ensured by the 5mm shoulder length with tight tolerances, reducing wear and misalignment in assemblies.
• Secure, non-slip installation facilitated by the knurled socket head and 2.5 mm hex drive, allowing for high torque application without stripping.
• Consistent thread engagement with Class 5g6g thread fit and M4 x 0.7mm coarse thread, providing vibration resistance and easy assembly.
• Reduced maintenance needs thanks to the black oxide finish, which adds an extra layer of protection against rust and abrasion.
• Compliance with global standards including RoHS 3 and REACH, ensuring safety and environmental responsibility in various applications.

Professional Applications & Engineering Value

This M4 metric shoulder screw is engineered to address common industrial challenges such as component misalignment, corrosion-induced failure, and assembly inefficiency. Made from 316 stainless steel with a black oxide finish, it excels in demanding environments like machinery, automotive, and marine equipment, where exposure to moisture and chemicals is frequent. The 5mm shoulder length provides a precise pivot or bearing surface, minimizing part movement and extending service life. The knurled socket head and hex drive design ensure quick, secure fastening, reducing installation time and preventing tool slippage. Ideal for precision shoulder screw applications, it supports robust performance in dynamic loads, enhancing overall system reliability and reducing downtime.

Specification Summary & Compliance

This shoulder screw features Class 5g6g thread fit per metric standards, ensuring dimensional accuracy with a shoulder diameter tolerance of -0.072 to -0.01 mm and length tolerance of 0 to 0.25 mm. It complies with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, guaranteeing adherence to environmental and safety requirements for industrial use.