S-90269A223 M4 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 316 Stainless Steel construction, ideal for harsh environments and chemical exposure
• Precise component alignment enabled by the 5mm diameter shoulder with controlled tolerances for reliable assembly
• High mechanical strength offering 70,000 psi tensile strength and 35,000 psi shear strength for demanding applications
• Secure, tamper-resistant fastening with the 2.5mm hex socket drive and knurled head for improved grip during installation
• Consistent thread engagement ensured by the Class 5g6g metric coarse thread (M4 x 0.7mm) for vibration resistance
• Durable, long-lasting performance backed by Rockwell B79 hardness, resisting wear and deformation
• Regulatory compliance assurance meeting RoHS 3 and REACH standards for safe use in regulated industries

Professional Applications & Engineering Value

This M4 shoulder screw is engineered to address critical alignment and stability challenges in precision assemblies. The 316 Stainless Steel material provides exceptional resistance to corrosion and oxidation, making it suitable for marine, chemical processing, and food-grade equipment where moisture and aggressive substances are present. The 5mm shoulder diameter and 14mm shoulder length act as a precise locating dowel, ensuring accurate component positioning and reducing stress on the Class 5g6g coarse thread. The hex socket drive with a 2.5mm drive size allows for high-torque installation in confined spaces, while the knurled head enhances grip during manual handling. Ideal for machinery, automation systems, and precision instruments, this screw delivers reliable performance by preventing misalignment and maintaining structural integrity under dynamic loads.

Specification Summary & Compliance

This shoulder screw features a metric M4 x 0.7mm coarse thread with Class 5g6g fit for standard industrial applications. The shoulder diameter tolerance is -0.072 to -0.01 mm, and the shoulder length tolerance is 0 to 0.25 mm, ensuring precise dimensional control. Manufactured from 316 Stainless Steel with a hardness of Rockwell B79, it meets mechanical requirements including 70,000 psi tensile strength and 35,000 psi minimum shear strength. The product is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for environmentally conscious and safety-regulated industrial uses.