The DeWALT DCE31006CU #6 Copper U-Die Set is a crimping die set for copper connectors. This is a crimping die set designed for making UL Classified copper crimps when paired with the DEWALT DCE310 20V MAX Compact Crimper. Model number DCE31006CU. If you are setting up a DCE310 for #6 AWG copper work, this is the accessory that gives you the correct die profile for that job.

What matters here is fit and repeatability. These U-type copper dies are built to complete UL Classified crimps with leading manufacturers' connectors when used with the DCE310 crimper and the compliant die and connector chart in the user manual. That is the whole point of a die like this: getting the right crimp shape for the connector you are using, not just squeezing metal and hoping it passes inspection.

DEWALT also added the details that save time in the field. The die uses laser-etched markings plus industry-standard color markings so the size is easy to identify in the gang box, on the cart, or in the bottom of a tool bag. On electrical work, that matters. The faster you can confirm the die size, the less chance there is of loading the wrong set and redoing a termination later.

Another useful feature is the wire-size imprint left on the connector after a completed cycle. That gives you a quick visual check that helps with inspection and job documentation. For anyone doing service upgrades, panel work, or larger feeder terminations, that kind of traceability is not fluff. It makes it easier to confirm the connection was made with the intended die size.

This die set is a latching-head U-die style accessory and is specifically tied to the DEWALT DCE310 platform. It is not a general-purpose crimping insert for every tool on the market. If you already own the DCE310 compact crimper and need to expand it for #6 AWG copper connectors, this is the right kind of add-on. Connectors and crimper are sold separately, so this purchase makes the most sense for users building out a complete electrical crimping setup.

Who should buy it? Electricians, utility crews, service techs, and serious contractors who need the correct die for copper compression work with the DEWALT compact crimper. If you are already on the DCE310 system, the DeWALT DCE31006CU #6 Copper U-Die Set is a straightforward, job-specific accessory that helps you get compliant crimps, faster identification, and easier finished-work verification.

DeWALT DCE31006CU #6 Copper U-Die Set for electricians who want the right crimp the first time

This is a purpose-built accessory that makes a lot of sense if you already own the DCE310 and need reliable #6 AWG copper crimping without guessing on die fit.

• Who it's for: Electricians and contractors using the DEWALT DCE310 for copper connector work.
• Why it stands out: UL Classified crimp capability with compatible connectors, clear die identification, and wire-size imprinting for easier inspection.
• Worth knowing: This is not a complete crimping setup. It is one job-specific die set, so you still need the DCE310 crimper and the correct connectors.

• What tool is this die set made for? It is made for the DEWALT DCE310 20V MAX Compact Crimper.
• What type of conductor is this die designed for? It is a #6 AWG copper U-die set for copper crimping applications.
• Does this die leave a size mark on the connector? Yes. Wire sizes are imprinted onto connectors after a completed cycle.
• Can it be used for UL Classified crimps? Yes, when used with the DEWALT DCE310 and compatible connectors per the user manual's compliant chart.