Product Description
UNF Left Hand Carbon Steel Circular Split Dies – 1½" Outside Diameter
UK made carbon steel circular split dies for cleaning up existing left hand UNF external threads. Available in four thread sizes, each die has a 1½" (38.1mm) outside diameter for use with a compatible die stock holder.
Select the required thread diameter and threads per inch from the options below. The 1½" outside diameter refers to the die body and determines the holder size required.
Available Thread Sizes
| Thread Size | Threads Per Inch | Direction | Die Outside Diameter |
|---|---|---|---|
| 7/16" UNF | 20 TPI | Left hand | 1½" / 38.1mm |
| 1/2" UNF | 20 TPI | Left hand | 1½" / 38.1mm |
| 5/8" UNF | 18 TPI | Left hand | 1½" / 38.1mm |
| 3/4" UNF | 16 TPI | Left hand | 1½" / 38.1mm |
Product Specifications
- Thread form: Unified National Fine (UNF).
- Thread direction: left hand.
- Material: carbon steel.
- Die type: circular split die.
- Outside diameter: 1½" (38.1mm).
- Intended use: cleaning and restoring existing external threads.
- Country of manufacture: United Kingdom.
Typical Applications
Useful for workshop maintenance, machinery repairs and restoration work involving left hand UNF threaded components.
Ordering Information
Select the thread size required. Match the diameter, TPI and left hand direction to the component being worked on, and use a suitable holder for the 1½" die body.
