Product Description
Thread - Metric Fine/extra fine standard pitch
Size - 3" external round die size
Carbon steel for cleaning out threads
3 Inch Metric Fine Carbon Steel Circular Split Dies
Carbon steel circular split dies for cleaning, chasing and restoring existing metric fine and extra fine external threads. Each die has a 3 inch outside diameter for use with a compatible die holder.
Key Features
- Carbon steel construction
- For cleaning and restoring existing threads
- Metric fine and extra fine thread pitches
- 3 inch outside die diameter
- Available in sizes M27 to M40
Available Sizes
| Thread Size | Thread Pitch | Die Diameter |
|---|---|---|
| M27 | 1.5mm | 3 inch |
| M27 | 2mm | 3 inch |
| M30 | 1.5mm | 3 inch |
| M30 | 2mm | 3 inch |
| M32 | 1.5mm | 3 inch |
| M40 | 1.5mm | 3 inch |
Standard
The metric fine and extra fine thread sizes and pitches follow ISO 261 and BS 3643-1. No manufacturing standard is claimed for the die body.
Useful Links
- View all dies
- View 3 inch metric coarse carbon steel dies
- View 2 inch metric fine carbon steel dies
- View 1 inch metric fine carbon steel dies
- View 13/16 inch metric fine carbon steel dies
Use with a compatible 3 inch die holder and suitable thread-cutting lubricant. Carbon steel dies are primarily intended for cleaning and restoring existing threads rather than production cutting of new threads.
Specifications are intended as a guide. Confirm the required thread size, pitch and die diameter before ordering.

| A | B | C |
| 27mm | 3" | 1.5 |
| 27mm | 3" | 2 |
| 30mm | 3" | 1.5 |
| 30mm | 3" | 2 |
| 32mm | 3" | 1.5 |
| 40mm | 3" | 1.5 |
Please Note: Specifications given are intended as a guide only. If critical to your project please check with us first.