S-90265A249 M5 ISO 7379 Shoulder Screws

Key Features & Benefits at a Glance

• Superior corrosion resistance with 18-8 stainless steel construction, ideal for harsh industrial environments and washdown applications.
• Precise component alignment ensured by the 8mm shoulder diameter with controlled tolerance, minimizing assembly play and vibration.
• High-strength performance with 70,000 psi tensile strength and Rockwell B83 hardness for reliable use in demanding mechanical applications.
• Secure, non-slip fastening provided by the knurled head and 4mm hex drive, allowing for high torque application without tool slippage.
• Wide compatibility and easy installation with standard M5x0.8 coarse right-hand threads and Class 5g6g fit, ensuring interchangeability.
• Enhanced durability and longevity from the material's inherent properties, reducing maintenance frequency and replacement costs.
• Regulatory peace of mind with full compliance to ISO 7379, RoHS 3, and REACH standards for global market acceptance.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered to address critical alignment and pivot point requirements in precision assemblies. The 4mm shoulder length acts as a precise spacer or bearing surface, preventing axial movement and reducing wear on connected components. Manufactured from 18-8 stainless steel, it offers excellent resistance to rust and corrosion, making it suitable for food processing, packaging machinery, and automotive applications. The knurled head and hex socket drive provide a secure grip for high-torque installation, ensuring the screw remains firmly in place even under vibration. Its Class 5g6g thread fit guarantees consistent performance and easy assembly, delivering reliable engineering value by increasing equipment uptime and reducing long-term operational costs.

Specification Summary & Compliance

This shoulder screw features an M5x0.8 coarse metric thread with a Class 5g6g thread fit for standard tolerance. The shoulder diameter is 8mm with a tolerance of -0.072 to -0.01 mm, and the shoulder length is 4mm with a tolerance of 0 to 0.25 mm, ensuring high dimensional accuracy. It is manufactured in compliance with the ISO 7379 standard and is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations.