Billco
6061 Aluminum Square Head Pipe Plug – NPT Threaded
- Availability:
- Usually Ships Same Day
- Weight:
- 0.00 LBS
Description
Close a compatible female threaded port with this 6061 aluminum pipe plug. The male threaded body engages the opening, and the square head provides the tool engagement used to install or remove the plug.
Product specifications
| Style | Square head pipe plug |
|---|---|
| Material / finish | 6061 aluminum |
| Connection | Male NPT pipe thread |
| Available sizes | Select the nominal size shown in the size selector above. |
| Manufacturer | Billco Corporation |
| Country of manufacture | USA |
| Ownership | Woman-owned business |
Choose the right fitting
Match the male thread size to the female port and allow access for the square head. Confirm the thread form and taper from the applicable manufacturer document before installation.
Availability & shipping
If stock is shown, items usually ship the same day. Otherwise, Billco items typically ship in 1–2 business days.
Ordering in carton quantities? Contact GetPipe to confirm the pack quantity for your selected size.
Specifications, catalog & project documents
Open the manufacturer PDFs to view, download or print. Confirm the selected material, style and size before using a drawing for your project.
Billco product catalog (PDF)The catalog covers this product family. Contact GetPipe for an exact size-specific sheet or submittal.
Need a submittal, material certificate or project-specific documentation? Ask the GetPipe team.
Frequently asked questions
▸Do I need a plug or a cap?
A plug has male outside threads and closes a female opening. A cap has female inside threads and fits over a male pipe end.
▸Which tool engagement does this plug use?
This product uses a square head. Match the tool to the selected size and manufacturer drawing rather than assuming the drive size equals the pipe size.
▸Which aluminum material is listed?
This listing specifies 6061 aluminum. Match the material and thread requirements to the installation and consult the available manufacturer documents for this fitting.
▸Is this fitting made in the USA?
Yes. Billco manufactures its pipe fittings in the United States and identifies itself as a woman-owned business.
▸When will my order ship?
If stock is shown, items usually ship the same day. Otherwise, Billco items typically ship in 1–2 business days.
▸Where can I find the manufacturer documents?
The Billco catalog in the documents section covers this product family. An exact individual specification sheet is not linked for this item. Contact GetPipe for size-specific dimensions or project documentation.

Get help with fitting sizes, manufacturer SKUs, carton quantities, and hard-to-find PVF items.
Ask the GetPipe teamBillco has manufactured domestic pipe fittings in the Chicago area since 1973. Its U.S. manufacturing and woman-owned business status make the brand a useful source for projects that specify domestic fittings.
