25 Pcs 1/2-20 FINE Grade 8 Hex Flange Top Lock Nuts Coarse Zinc Phosphate & Oil
Grade (8) G hex flange prevailing torque locknuts are designed to resist loosening under vibration and dynamic loads. Common applications include Finish : Zinc Phosphate & Oil. Aerospace – In aircraft assembly, such as securing parts of the fuselage or engine components, where vibration resistance is vital.