Product Description
British Standard Pipe Taper carbon steel hexagon die nuts for cleaning, chasing and restoring existing external tapered pipe threads.
These BSPT re-threading die nuts feature a hexagonal body that can be driven using a suitable spanner or socket. They are suitable for repairing damaged, dirty or lightly corroded external threads on pipe fittings, adapters, connectors and engineering components.
- Thread form: BSPT / British Standard Pipe Taper
- Material: Carbon steel
- Tool type: Hexagon die nut / re-threading die nut
- Thread type: Tapered pipe thread
- Thread profile: 55-degree Whitworth
- Use: Cleaning, chasing and restoring existing external threads
- Thread sizes available: 1/8"-28 BSPT through to 2"-11 BSPT
- Drive method: Suitable spanner or socket
| Thread Size | TPI | Thread Form | Thread Type | Material | Tool Type |
|---|---|---|---|---|---|
| 1/8"-28 BSPT | 28 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 1/4"-19 BSPT | 19 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 3/8"-19 BSPT | 19 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 1/2"-14 BSPT | 14 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 3/4"-14 BSPT | 14 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 1"-11 BSPT | 11 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 1 1/4"-11 BSPT | 11 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 1 1/2"-11 BSPT | 11 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
| 2"-11 BSPT | 11 | BSPT | Tapered | Carbon Steel | Hexagon Die Nut |
Please note: BSP thread sizes refer to the nominal pipe bore and do not equal the actual measured outside thread diameter.
Carbon steel hexagon die nuts are primarily intended for cleaning and restoring existing threads rather than regular production of new threads.
Please note: Specifications are intended as a guide only. If dimensions are critical to your project, please check with us before ordering.

| A | B | C |
| 2" | * | 11 |
| 1" | * | 11.5 |
| 1/8" | * | 27 |
| 1/4" | * | 19 |
| 1 1/4" | * | 11.5 |
| 3/8" | * | 19 |
| 1/2" | * | 14 |
| 1 1/2" | * | 11.5 |
| 3/4" | * | 14 |