N304017012012
Fastener
Detroit Diesel

Engineered with precision, this M12 x 40 mm screw features a hexagonal head designed for secure fastening in larger assemblies. Its 40 mm thread length ensures a firm connection, especially in applications requiring higher load capacity, such as engine mounts or heavy-duty brackets. Constructed from high-strength materials, it offers excellent resistance to corrosion, vibration, and thermal stresses, which are common in diesel engine environments. The hex head allows for easy torque application, ensuring proper tightening and reducing the risk of loosening during operation. This screw plays a vital role in maintaining the structural stability of critical components, preventing misalignment or failure over time. Its durability and reliability are key to ensuring the safe operation of heavy-duty trucks. Source One Parts Center recommends this fastener for its consistent quality and performance in demanding conditions.