🔧 ALLPEN 20Pcs Fitting Internal Thread: A Comprehensive Solution for Threaded Connections Review

[Hex drive] Countersunk plug with a hex drive for closing the end of a pipe or fitting.4 SIZES Pipe Plugs FOR DIFFERENT NEEDS. [application] Designed to create a tighter seal for masking threaded holes and is commonly used to seal holes in machinery, fittings or pipes to prevent leakage of air, steam, gases, water, oil and fluids under pressure. These plugs are also great for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block holes, etc. [Material] Made of high quality brass with superior anti-corrosive properties suitable for use in wet environments, these countersunk hex drive plugs can be extensively used for commercial, industrial, automotives, boats, sanitary pipes and fittings. [Sealing] A mechanical fasteners, the role is sealing. [Design] Beautiful shape, smooth surface, acid-resistance, anti-corrosion, strong texture performance.