Product Description
BSF carbon steel hexagon die nuts for cleaning, restoring and re-forming external British Standard Fine threads.
These carbon steel re-threading die nuts are ideal for thread repair and maintenance work where existing BSF threads need to be cleaned, dressed or restored. The hexagon body allows use with a suitable spanner or socket, making them convenient for access where a standard circular die holder may not fit.
- Thread form: BSF / British Standard Fine
- Material: Carbon steel
- Type: Hexagon re-threading die nut
- Use: Cleaning and restoring external threads
- Suitable for workshop, classic vehicle and machinery thread repair
| Thread Size | Thread Form |
|---|---|
| 3/16" | BSF |
| 1/4" | BSF |
| 5/16" | BSF |
| 3/8" | BSF |
| 7/16" | BSF |
| 1/2" | BSF |
| 9/16" | BSF |
| 5/8" | BSF |
| 3/4" | BSF |
| 7/8" | BSF |
| 1" | BSF |
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 |
| 3-16" | * | 32 |
| 1/4" | * | 26 |
| 5/16" | * | 22 |
| 3/8" | * | 20 |
| 7/16" | * | 18 |
| 1/2" | * | 16 |
| 9/16" | * | 16 |
| 5/8" | * | 14 |
| 3/4" | * | 12 |
| 7/8" | * | 11 |
| 1" | * | 10 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.