The 1 1/4 Black Hex Locknut is a hexagonal nut designed for use in securing threaded pipes, fittings, and conduit connections. Made from malleable iron, this locknut helps to prevent movement and loosening in piping systems under vibration or pressure. The black finish offers some resistance to corrosion, making it suitable for use in various industrial, commercial, and residential applications. Locking function,the locknut ensures that connected fittings or pipes remain securely fastened, even under fluctuating pressure or vibration.

Link to Midland Industries Catalog