S-97259A101 M3 DIN 562 Square Nuts

Key Features & Benefits at a Glance

• Superior corrosion resistance thanks to the zinc-plating, ensuring long-term reliability in harsh industrial environments.
• High-strength performance with a Class 04 rating, providing dependable load-bearing capacity for demanding applications.
• Secure and stable fastening achieved with a Class 6H thread fit, minimizing the risk of loosening under vibration.
• Easy and efficient installation with an external square drive, allowing for quick assembly with standard tools.
• Wide compatibility with its standard M3 x 0.5 mm coarse metric thread, making it a versatile choice for various machinery and equipment.
• Guaranteed dimensional precision and quality through compliance with the rigorous DIN 562 standard.
• Safe for regulated industries as it is fully compliant with RoHS 3 and REACH environmental directives.

Professional Applications & Engineering Value

This M3 square nut is engineered from zinc-plated steel to solve critical challenges in industrial assembly, such as corrosion-induced failure and vibrational loosening. Its coarse thread design (0.5 mm pitch) enables rapid installation and is less prone to clogging with debris, making it ideal for production lines and heavy machinery maintenance. The external square drive provides a positive grip for wrenches, ensuring high torque can be applied without slippage. This combination of a robust Class 04 strength rating and precise Class 6H thread fit delivers a reliable, long-lasting connection for structural frames, conveyor systems, and automotive components, reducing maintenance downtime and enhancing operational safety.

Specification Summary & Compliance

This square nut conforms to DIN 562 specifications, featuring an M3 metric thread with a 0.5 mm coarse pitch and a Class 6H thread fit for precision. Key dimensions include a 5.5 mm width and 1.8 mm height. The fastener meets the Class 04 strength grade and is manufactured from zinc-plated steel. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free from hazardous substances for safe use in various industrial and commercial applications.