Specification Brand : Sydien BulletPoint1 : Package Content: 20Pcs Hexagonal Countersunk Plugs. Thread Size: G1/4. Internal hex applicable for 3/8 Inch wrench BulletPoint2 : The pipe plug fitting is made of stainless steel, which is durable and strong pressure resistant. It is anti-rust and leak-proof. Maximum working pressure is 150 PSI and the operating temperature range is -20℃ ~ 200℃/ -4℉ ~ 392℉ BulletPoint3 : Countersunk Plug: Socket Hex head solid plug for closing and terminating the end of a pipe. The hexagonal countersunk plug has a recessed head for increased leverage with a wrench during installation and disassembly BulletPoint4 : Widely Applications: The pipe plug 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 water ports, water pump ports, water temp tank, etc. BulletPoint5 : Quality Service: This thread socket pipe plug fitting is a great tool for professional plumbers! If you have any problems when using the countersunk plug, please contact us in time, and we will take care of it as soon as possible BulletPoint6 : These fittings contain lead and are not allowed by federal law to be installed for potable water use in the U.S.A. and its territories. Color : Silver ConnectorType : Plug ExteriorFinish : Silver ExteriorFinish1 : Stainless Steel ExteriorFinish2 : Alloy Steel ExternallyAssignedProductIdentifier1 : 704795131788 ExternallyAssignedProductIdentifier2 : 0704795131788 ExternallyAssignedProductIdentifier3 : 00719852901631 GpsrSafetyAttestation : 1 ItemName : Sydien 20Pcs G1/4 Male Pipe Plug Internal Hex Socket Thread Countersunk Stainless Steel Pipe Plug for Closing the End of Pipe ItemPackageDimensions_Height : 10.3 centimeters ItemPackageDimensions_Length : 1 centimeters ItemPackageDimensions_Width : 7.1 centimeters ItemPackageQuantity : 1 ItemShape : plug ItemTypeKeyword : threaded-tube-fittings Manufacturer : Sydien Material : Stainless Steel ModelNumber : 38106-161604 NumberOfItems : 1 NumberOfPieces : 20 PartNumber : Sy20241125-0003 ProductDescription : Main Features 1.The plug is made of stainless steel,which is durable and strong pressure resistant. 2.It is anti-rust and leak-proof so it is perfect for closing and terminating the end of a pipe. 3.The hexagonal countersunk plug has a recessed head for increased leverage with a wrench during installation and disassembly. 4.The male pipe threads for connecting to female threaded pipes or fittings,which creates a tighter seal than straight threads. 5.It is great for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block, etc.