This set of brass lock nuts is suitable for various mechanical and plumbing applications. The ensures a secure fit with female thread pipe fittings, while the provides additional stability. These lock nuts are ideal for use in water tanks, ensuring a leak-proof connection and maintaining the integrity of the system. Features - ColorGolden -Material:Brass - Size: 3.10X2.00X0.60cm/1.22X0.79X0.24in -Inner diameter: 20 mm -Note: 1/2in screw -Enhanced threading: features internal threading for a tighter and more reliable seal than traditional straight threads - : high precision, high hardness, strong resistance to pressure, -Effortless installation: the design of these fastening nuts simplifies the installation and replacement process, making it more secure and less timeconsuming -Robust brass material: made from reliable material, these nuts offer exceptional strength and hightemperature resistance -Multiple applications: these nuts are suitable for sealing joints and pipes in various settings, including outdoor gardens, water tanks, washing machines, air conditioners, water , and storage rooms Package list: 6 x hexagonal lock nuts