Metal Tapered Tube Plugs for Heat Exchangers

The Industry Standard for Plugging Leaks in Heat Exchangers, Boilers & Condensers


Ask For USA Industries' One Rev Internal Tube Cutter to Puncture Tubes Before Installation!

Metal Tapered Tube Plugs offer a low-cost and quick method of sealing leaking tubes. Our tube plugs are easily installed, so you can establish a positive seal with minimal driving in seconds and get your Fin-Fan® / heat exchanger, boiler or condenser back online quickly. Tapered plugs are stocked in more than 20 metals. We are happy to customize tube plugs according to your needs and in ANY material upon request.

USA Industries is a leader in offering tube plug solutions to users in the oil & gas, chemical and power industries. We have more than 500,000 tube plugs in stock and ready to ship, and our production capabilities exceed 5,000 plugs per day, more than 20 materials and any coatings you may require.

For best results with sealing tubes without damaging tubesheets, be sure to use the correct size tube plugs (based on tube O.D. and gauge using our chart below). When ordering tube plugs, please keep in mind that the tube plug and the tube metal should always match. Please contact us if you have any questions about our tube plugs or if you require more information.

A SPECIAL WORD OF CAUTION: USA Industries highly recommends you use our One Rev Internal Tube Cutter to puncture the tube before installing any plug to ensure that pressure cannot build up in the tube and cause the plugs to loosen or blow out.

Metal Tapered Tube Plug Illustration for Sizing

Metal Tapered
Tube Plugs
Line Sheet


  • Production capabilities of more than 5,000 plugs per day
  • Non-custom plugs typically ship within 24 hours
  • The traditional solution to heat exchanger leaks
  • In-stock items ship within 24 hours

Check out our Snap It® Jr. & Sr. Tube Plugs

The Safer, Faster and Smarter Tube Plug Choice!


Frequently Asked Questions

The X is a placeholder for material type (e.g. Carbon, Stainless, Monel, etc..). Simply replace that with what ever material you need!

We manufacture all of our plugs in house, and are not limited by size. We can produce more than 5,000 plugs per day, at any size!

Tapered tube plugs are generally installed with a hammer. We strongly suggest using a tube cutter to puncture the inside of your tube before installing to prevent pressure building up over time and creating dangerous projectiles.

Because of uncontrolled and inconsistent installation practices for standard tapered plugs, we don't provide a rating classification. It's heavily dependent on installation methods and best practices.

For rated tube plugs, we strongly suggest you utilize our Snap It Tube Plugs.

We will always recommend you puncture the tube before installing a tube plug to prevent pressure from building up and creating a dangerous tube plug projectile.

Yes. This is a common technique for ensuring a stronger seal.

We can recommend size(s) based on your inside diameter. Call us today and we'll be happy to help!

We are proud to be able to offer our products in more than 20 different materials. We've probably worked with whatever material you need in the past, and we're happy to make custom plugs on request, 24/7, 365 days a year!