Description
Close the male threaded end of a compatible pipe or fitting with this black carbon steel cap. The female threaded opening accepts the pipe end, and the closed body terminates the connection.
Product specifications
| Style | Hex pipe cap |
|---|---|
| Material / finish | Black carbon steel |
| Connection | Female 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 female thread size to the male pipe end. Use the selected size and manufacturer drawing to confirm body diameter, thread engagement and clearance.
- A cap fits over a male threaded connection. It is different from a plug, which threads into a female opening.
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.
Specification & dimensions (PDF)Billco product catalog (PDF)Need a submittal, material certificate or project-specific documentation? Ask the GetPipe team.
Frequently asked questions
▸Do I need a cap or a plug?
Choose a cap to close a male threaded pipe end. Choose a plug to close a female threaded opening.
▸Does the body shape change the connection size?
No. The round or hex body describes the outside profile. Order by the nominal female pipe thread size, and check clearance around the installed cap.
▸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 dimensions or a specification sheet?
Open the product specification PDF in the documents section to view, download or print the manufacturer's drawing and size information. Use the row that matches your selected size.

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.
