Grade (8) G hex flange prevailing torque locknuts are designed to resist loosening under vibration and dynamic loads. The combination of a locking mechanism and flange design provides a secure fastening solution. Common applications include:

1. Automotive Industry – Used in critical engine components, suspension systems, and chassis to prevent nuts from loosening due to vibration and stress.
2. Heavy Machinery and Equipment – Found in construction, agricultural, and industrial machinery, where components experience constant motion and vibration.
3. Piping and Plumbing – Used in securing flanged pipe connections in systems that carry fluids or gases, providing a tight seal.
4. Electrical and Power Generation – Used in turbines, generators, and electrical enclosures, where reliability and resistance to loosening are crucial.
5. Aerospace – In aircraft assembly, such as securing parts of the fuselage or engine components, where vibration resistance is vital.
6. Marine Applications – Used in boats, ships, and offshore platforms to ensure fasteners stay in place in harsh, vibration-prone environments.

The locking mechanism in the prevailing torque locknuts provides additional security against loosening, making them ideal for high-vibration and high-stress applications. The flange also helps distribute the load, reducing the risk of damage to connected materials. Coated in zinc phosphate and oil to withstand 72 hours until the appearance of red rust.

Non-Serrated
Finish: Zinc Phosphate & Oil
Dimensional Spec:  IFI 100/107
Material Per: SAE J429
Plating Per: ASTM F1137 Grade D
HTS Code: 7318.16.00.85

RoHS Compliant: ✔
REACH Compliant: ✔
Prop 65 Compliant: ✔
TSCA Compliant: ✔
Conflict Mineral Free: ✔
PFAS Free: ✔

72 Hours to Red Rust