Feature:1. The stainless steel NPT external threaded pipe has high strength and hardness, which reduces your troubles of water leakage and water leakage during use.2. The hex socket threaded male plug is made of high‑quality stainless steel, which has corrosion resistance, high temperature ductility and low magnetic permeability.3. These plugs are also very suitable for plugging the intake manifold water port, water pump port, water temperature and oil sensor hole, engine block hole, etc.4. The stainless steel plug is very suitable for blocking the intake manifold water port, water pump port, water temperature and oil sensor hole, engine block, etc.5. The internal hex thread male plug can prevent leakage of air, steam, gas, water, oil and pressurized fluids.Specification:Item Type: Pipe Plug Male Thread FittingMaterial: Stainless SteelThread: 1/2in NPTApplication: The stainless steel plug is very suitable for blocking the intake manifold water port, water pump port, water temperature and oil sensor hole, engine block, etc..Package List:3 xPipe Plug Male Thread Fitting