S-97505A121 M5 DIN 923 Shoulder Screws

Key Features & Benefits at a Glance

• Enhanced Durability and Corrosion Resistance: Zinc plating provides reliable protection against rust and environmental factors, extending the screw's service life in demanding industrial conditions.
• High-Strength Alloy Steel Construction: Offers a tensile strength of 58,000 psi and Rockwell B71 hardness, ensuring the fastener can withstand high stress and repetitive loads without failure.
• Precision Shoulder for Accurate Alignment: The 6mm shoulder length with controlled tolerance ensures stable component positioning, reducing wear and misalignment in assemblies.
• Coarse Thread for Quick and Secure Fastening: M5x0.8 coarse pitch threads allow for faster installation and improved grip in various materials, boosting assembly efficiency.
• Low Socket Head Design for Space-Saving Applications: The low-profile socket head enables use in confined spaces while providing a secure drive interface with standard tools.
• Compliance with International Standards: Meets DIN 923 specifications, ensuring consistent quality and interchangeability in global engineering projects.
• Environmental and Safety Compliance: RoHS 3 and REACH compliant, making these screws suitable for use in regulated industries and eco-conscious supply chains.

Professional Applications & Engineering Value

This M5 shoulder screw is engineered from alloy steel with a zinc-plated finish to address common industrial challenges such as component misalignment, corrosion, and mechanical stress. The precise shoulder diameter of 7mm and length of 6mm provide a stable pivot or bearing surface, essential in machinery, automotive, and electronics assemblies where accurate part positioning is critical. The coarse metric thread (M5x0.8) with a Class 6g fit ensures reliable engagement and vibration resistance, reducing the risk of loosening in dynamic environments. By combining high tensile strength and corrosion resistance, this low socket head shoulder screw minimizes maintenance needs and enhances the longevity of precision equipment, making it a trusted choice for engineers seeking durable and compliant industrial fasteners.

Specification Summary & Compliance

This shoulder screw adheres to precise dimensional tolerances, including a shoulder diameter tolerance of -0.036 mm to 0 mm and shoulder length tolerance of 0.07 mm to 0.15 mm, ensuring consistent fit and performance. The thread fit conforms to Class 6g per metric standards, providing reliable fastening accuracy. Manufactured in compliance with DIN 923 specifications, it also meets RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, confirming its suitability for use in environmentally sensitive and regulated applications without hazardous substances.