S-91872A120 M12 DIN 6915, ISO 4775 Hex Nuts

Key Features & Benefits at a Glance

• Exceptional load distribution due to the extra wide hex profile, reducing stress concentration and preventing joint failure in heavy-duty applications.
• Superior mechanical strength with a Class 10 rating, ensuring high reliability and resistance to vibration and shock loads.
• Precise and secure thread engagement with a Class 6H thread fit, minimizing the risk of cross-threading and ensuring consistent clamping force.
• Broad industry compatibility by conforming to DIN 6915 and ISO 4775 standards, guaranteeing interchangeability and performance in global engineering projects.
• Long-term durability and corrosion resistance from the high-quality steel construction, suitable for harsh industrial environments.
• Easy installation and removal with the standard external hex drive, allowing for efficient assembly using common tools.
• Environmental and safety compliance with RoHS 3 and REACH regulations, making it a responsible choice for modern manufacturing.

Professional Applications & Engineering Value

This Class 10 heavy-duty hex nut is engineered to address critical challenges in structural and machinery applications where vibration resistance and high tensile loads are paramount. The extra wide profile significantly increases the bearing surface, distributing clamping force more evenly to prevent surface damage and loosening under dynamic stresses. Manufactured from robust steel with a coarse metric thread (M12 x 1.75mm), it ensures rapid assembly and reliable performance in construction, heavy equipment, and automotive systems. Compliance with DIN 6915 and ISO 4775 standards assures engineers of its dimensional accuracy and mechanical properties, making it an ideal high-strength fastener for bolted connections that demand unwavering integrity and long service life.

Specification Summary & Compliance

This nut features an M12 x 1.75 mm coarse thread with a Class 6H thread fit for precise tolerance, adhering to DIN 6915 and ISO 4775 manufacturing specifications. Dimensions include a 22 mm width and 10 mm height. It is fully compliant with RoHS 3 (2015/863/EU) and REACH (EC 1907/2006) regulations, ensuring it is free of hazardous substances and suitable for use in regulated industries.