Product Description
4 Inch Whitworth Carbon Steel Circular Split Dies
UK made carbon steel circular split dies for cleaning, chasing and restoring existing British Standard Whitworth (BSW) external threads. Each die has a 4 inch outside diameter for use with a compatible die holder.
Available Sizes
| Thread Size | Die Diameter | Threads Per Inch |
|---|---|---|
| 1 3/4 inch BSW | 4 inch | 5 TPI |
| 2 inch BSW | 4 inch | 4.5 TPI |
Key Features
- British Standard Whitworth thread form
- Carbon steel construction
- For cleaning and restoring existing external threads
- Circular split die design
- 4 inch outside diameter
- UK made
Use a suitable cutting lubricant and keep the die square to the existing thread.
Related Products
- 3 Inch Whitworth Carbon Steel Split Dies
- 2 Inch Whitworth Carbon Steel Split Dies
- 1 Inch Whitworth Carbon Steel Split Dies
- View All Dies
- Thread Size Guide
Confirm the required BSW thread size, pitch and 4 inch die diameter before ordering.
