Burndy U31RT Die — Precision U-Die for 350 kcmil Copper
By an employee of T and A Tools
At T and A Tools, we take pride in offering tools and accessories that deliver consistent, code-compliant results on the jobsite. The Burndy U31RT Die is a precision-engineered, stainless steel U-die designed to produce reliable crimps on 350 kcmil copper conductors. Built to Burndy’s color-coded compression system, this red, die index 18 insert helps prevent mismatched dies and ensures correct tool/die pairing for repeatable electrical performance.
Key Specifications
- Material: Stainless steel
- For conductor size: 350 kcmil copper
- Color code: Red (system compatibility and visual identification)
- Die index: 18
- Crimp force capacity: 12 tons
- Crimp style: Circular, butting twin type (U-style die)
- Primary applications: Power and grounding connections in utility, construction, and industrial settings
Compatible Tools
The U31RT die is compatible with a range of Burndy hydraulic and battery tools, including:
- Y35, Y39, Y46, Y750 hydraulic crimping tools
- PAT750-18V battery-powered crimping tool
- Y46 and PAT46 tools (require PUADP1 adapter)
How to Use
The U31RT is installed into the corresponding crimping tool using the die index (18) and the red color code to ensure correct pairing. Use the appropriate tool listed above and follow the tool manufacturer’s operating procedures and safety guidelines. The U-style design forms a circular, butting twin crimp suitable for high-current copper conductors. Proper selection and installation of the die help maximize connection reliability and electrical performance.
Typical Applications
This die is commonly used for electrical cable terminations and splicing where robust, code-compliant connections are required, for example:
- Utility distribution and transmission work
- Commercial and industrial power installations
- Grounding and bonding connections on medium- to large-gauge copper conductors
Why Choose the Burndy U31RT Die
- Precision stainless-steel construction for durability and consistent crimps.
- Color-coded red die and clear die index (18) minimize the risk of mismatched dies.
- Designed for 350 kcmil copper conductors where reliable, high-capacity crimps are required.
- Compatible with a wide family of Burndy hydraulic and battery tools commonly used by professionals.
Order Information
Ready to order? The Burndy U31RT Die is available from from $130.99. Click the product link to view current stock, shipping options, and to add the die to your cart.