S-90269A233 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 stainless steel construction, ideal for harsh environments and chemical exposure
• High mechanical strength with 70,000 psi tensile strength and Rockwell B79 hardness for reliable, long-lasting performance
• Precision thread fit with Class 5g6g tolerance ensuring consistent engagement and vibration resistance
• Secure, non-slip installation via the knurled hex socket head design, enhancing torque application and tool grip
• Accurate shoulder dimensions with tight diameter and length tolerances for precise alignment in assemblies
• Broad industrial compliance meeting RoHS 3 and REACH standards for safe, regulated use
• Optimized for coarse threading with 0.7mm pitch, enabling faster assembly and reduced cross-threading risks

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and durability challenges in industrial assemblies. The 316 stainless steel material offers exceptional resistance to corrosion and oxidation, making it suitable for applications in marine, chemical processing, and food machinery where moisture and aggressive substances are present. The 60mm shoulder length provides a stable, unthreaded bearing surface that maintains precise component spacing and reduces wear on moving parts. Combined with the Class 5g6g thread fit and coarse 0.7mm pitch, this fastener ensures quick, reliable installation while minimizing the risk of thread stripping. The knurled hex socket head allows for high-torque application without slippage, enhancing assembly efficiency in automated or manual settings. Ideal for use in precision equipment, pivoting mechanisms, and structural frameworks, this shoulder screw delivers consistent performance under dynamic loads and varying environmental conditions.

Specification Summary & Compliance

This shoulder screw adheres to metric system standards with an M4 thread size and 0.7mm coarse pitch. The threads are manufactured to Class 5g6g tolerance, ensuring precise fit and interchangeability. Shoulder dimensions include a diameter of 5 mm (tolerance: -0.072 to -0.01 mm) and length of 60 mm (tolerance: 0 to 0.25 mm) for accurate alignment. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming the absence of restricted hazardous substances and supporting environmental and safety standards in industrial applications.