NPT-M Hollow Hex Plug , 3/8" Pipe Size , 5/16" Internal Hex PRODUCT CODE - PAHP-6N-SS
£6.78Ex. VAT£8.14Incl. VAT
A hollow hex plug NPT‑M is a precision‑engineered pipe fitting designed to seal or close the end of a female NPT‑threaded port or fitting while allowing internal access through its hollow center. It features male National Pipe Taper (NPT‑M) threads and a hexagonal head for easy tightening or removal with a wrench. The hollow design allows for functions such as pressure testing, venting, or temporary connection of instrumentation devices without fully opening the system.
These plugs are widely used in hydraulic, pneumatic, instrumentation, and fluid systems across industries including oil and gas, chemical processing, manufacturing, and power generation. The NPT taper threads create a leak‑resistant seal when installed with proper thread sealant or PTFE tape, making them suitable for high-pressure applications.
| Pipe Size | 3/8" |
|---|---|
| Internal Hex | 5/16" |
| ❗Please Note – Important Information About Product Availability
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| Delivery Info | – Standard delivery in 1–3 working days – Orders placed before 2pm are usually dispatched the same day (Please check stock levels with our customer service team before ordering) – Larger or made-to-order items may take longer – Shipping costs calculated at checkout – Free delivery available on most orders over £150 to UK mainland* |
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