Our M12 hexagon nuts with flange are designed for efficient and reliable assembly: Standard Hexagon Shape: The familiar hexagon shape allows for easy tightening and loosening with standard wrenches and sockets, common tools in automotive workshops and assembly lines. Integrated Flange: The pre-attached flange simplifies the assembly process, reducing the number of parts and ensuring proper load distribution. Consistent Torque Application: The flange provides a stable bearing surface for applying torque, leading to more consistent and accurate clamping force. Key Advantages for Your Applications: Enhanced Vibration Resistance: The wider bearing surface of the flange significantly improves resistance to loosening under the dynamic conditions of automotive use. Improved Load Distribution: The flange spreads the clamping force, reducing stress on connected parts and preventing damage. Simplified Assembly Process: Eliminating the need for separate washers reduces part count and assembly time, boosting efficiency. Secure and Reliable Fastening: Ensures strong and durable connections crucial for automotive safety and performance. Compliance with Key Standards: Meets the requirements of EN 1661 (DIN 6923 / GB/T 6177.1), ensuring dimensional accuracy and material quality. Reduced Risk of Damage: The flange protects the mating surface from scratches and indentations during tightening. Ideal for: Chassis and Suspension Systems: Securing components like shock absorbers, control arms, and stabilizer bar links where vibration resistance is paramount. Engine and Powertrain Mounting: Fastening engine mounts, transmission mounts, and exhaust system components, benefiting from the wider load distribution. Body Panel Assembly: Providing secure and efficient fastening of body panels, reducing the number of parts required. Steering System Components: Securing linkages and other critical steering elements where reliable fastening is essential for safety. Braking System Components: Fastening caliper brackets and other non-critical braking system parts. Interior and Exterior Trim: Providing a secure and integrated fastening solution for various trim elements. Product NameStandardMaterialDiameter (Thread)Height/ThicknessSurface TreatmentHexagon Nut with FlangeGB/T 6177-200045# SteelM1210.8 mmCold Galvanized (White Zinc)Hexagon Nut with FlangeGB/T 6177-200040Cr Alloy SteelM1210.8 mmHot-Dip GalvanizedHexagon Nut with FlangeISO 4161Stainless Steel A2-70M1211 mmPassivated (Plain)Hexagon Nut with FlangeDIN 692335CrMo Alloy SteelM1211 mmDacromet CoatedHexagon Nut with FlangeASME B18.2.2ASTM A563 Grade DH1/2" (12.7mm)0.43" (10.9mm)Zinc PlatedHexagon Nut with FlangeJIS B1189SCM435 Chromium-MolybdenumM1210.5 mmPhosphatedHexagon Nut with FlangeISO 7042Carbon Steel 8.8M1210.8 mmElectrogalvanizedHexagon Nut with FlangeDIN 6923Stainless Steel A4-80M1211 mmPolished (No Coating)Hexagon Nut with FlangeANSI B18.16.3Alloy Steel Grade 101/2" (12.7mm)0.43" (10.9mm)Black OxideHexagon Nut with FlangeGB/T 6177-200035K High-Speed SteelM1210.8 mmEnvironmental Blue Zinc 1