Overview
A plug closes a threaded opening, whether a test port, a drain point or an unused outlet on a fitting, valve or pump. It has to seal at pressure and come out again when needed.
Empire Alloys manufactures brass plugs in all common head styles and threads, typically 1/8" to 4", and to custom drawings for OEMs.
Types and variants we make
Hex head plugs
Spanner-driven plugs.
Square head plugs
Traditional pipe plugs.
Countersunk plugs
Flush-fitting socket plugs.
Threaded & pipe plugs
Tapered and parallel threads.
Expansion plugs
For non-threaded bores.
Specifications
| Material | Brass (free-cutting / forging brass) or specified grade |
|---|---|
| Threads | BSP, BSPT, NPT, metric, UNC, UNF or custom |
| Typical size range | 1/8" to 4" (confirm per item) |
| Finish | Natural, nickel, chrome or as required |
| Process | Hot forging / bar machining, CNC turning, threading, inspection |
Values shown are typical capabilities. Final dimensions, threads, tolerances and finish are confirmed against your drawing or sample at quotation stage.
Why buyers specify these parts from Empire Alloys
- Taper and parallel threads
- Sealing faces machined true
- Custom designs
- Export supply
Applications
- Plumbing
- Hydraulic equipment
- Pneumatic systems
- Gas lines
- Valves and pumps
Materials, plating and packing
Free-cutting brass (CZ121 / IS 319 type) is the default for machined parts; copper, copper alloys, aluminium, gunmetal and steel are also processed in-house. Plating options at Empire Alloys include tin, copper, chrome, nickel and zinc, with shot blasting and nitric wash available as surface treatments.
Parts are packed to suit the shipment: PVC or thermal PVC bags, cartons, shrink-wrap, strapped wooden cases or pallets, with every bag and carton labelled for easy identification.
What to send with your enquiry
- Drawing (PDF/DWG/STEP) or a physical sample, plus the part name or code you use
- Material grade and any standard the part must meet
- Thread type and size, critical dimensions and tolerance
- Finish or plating, quantity per lot and annual requirement
- Packing preference and delivery location (India or export)
Frequently asked questions
Do you make plugs with sealing washers?
Parallel-thread plugs can be supplied for washer sealing; share your requirement.
Are brass plugs exported?
Yes.
Which sizes are available?
Typically 1/8" to 4" and metric sizes.
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