At StockCap you'll find everything for NPT threaded pipes from plastic plugs to large diameter vinyl flange covers. End caps and plugs are used on tubing made of various materials such as copper, steel, cast iron and aluminum, to name a few. Protects various pipe fittings during production and manufacturing processes. Here are some of our more popular pipe caps and plugs.
The major benefit to using vinyl caps and plugs for protecting pipe threads is the flexible vinyl material. It stretches to fit over threads and provides a tight seal against contamination while still being simple to install. And, unlike the harder plastic caps, vinyl will not crack, shred, or split.
![]() |
![]() |
|
Pipe End Caps | Pipe End Plugs |
Threaded pipe caps and plugs are ideal for applications where fear of displacement due to internal air pressure exists. The pipe caps are available to fit the most popular ASAE thread sizes while the pipe plugs fit common JIC fittings.
![]() |
![]() |
|
Threaded Pipe Caps | Threaded Pipe Plugs |
Polyethylene caps and plugs function well as low cost pipe end caps or plugs. Protection from contaminants for many styles of pipe fittings. StockCap offers over 150 different sizes and with the tapered plugs functioning as both caps and plugs, there is a cap or plug for just about every application.
![]() |
![]() |
![]() |
![]() |
|||
End Caps | Tear Caps | Taper Plugs | Side-Pull Plugs |
These end caps are great for use as shipping caps that will eventually have to be removed. They are perfect for use on high volume assembly line components. All caps are designed with ergonomic tabs to make removal quick and easy.
![]() |
![]() |
![]() |
||
EZ Tab Caps | Grab Tabs | Tear Caps |
For pipe flanges, StockCap offers a full line of vinyl flange protectors. Made from a flexible but durable vinyl, these covers protect the full face of the flange as well as the body of the flange itself.
![]() |
![]() |
![]() |
||
ASA Flange Covers | FC Flange Covers | SR Flange Covers |
To request a sample or pricing on any of our protective caps or plugs, please visit the product page or click below.