SEALING FUNCTION: Pipe plugs fitting is a mechanical fasteners, the role is sealing. NPT sizes are difficult because the thread diameters vary along the thread length for a given pipe size. These plugs are nicely designed, with the maximum thread diameter just under the standard. This is perfect, given that a plug must be able to be screwed in to an unspecified (desired) depth.
304 STAINLESS STEEL: Our NPT pipe plug are made of high quality 304 stainless steel, with superior corrosion & rust resistance, can be used on humid enviroments. These hex counter sunk plugs are widely applied for commercial, industrial, automotives, boats, sanitary pipes and fittings.
BSPP, 4 AVAILABLE SIZES: The internal hex thread socket pipe plug fitting head is BSPP external thread, transparent thread, internal hexagon fixed, making installation easier and smoother. Four available sizes: 1/2 inch, 3/8 inch, 1/4 inch, 1/8 inch.
WIDELY USED: They are usually used to seal holes in machinery, fittings or pipes to prevent leakage of air, steam, gases, water, oil and fluids under pressure. Perfect for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block holes, etc.
SATISFACTION GUARANTEE: All our product offer return policy or money back guarantee, if you have any problem about your purchase, pls feel free to communicate with us by Email, we are always here to make everything right for you.