DeWalt 18V XR Cordless Brushless Compact Die Grinder - DCG420N-XJ

The DCG420N is part of the 18V XR range and is compatible with all 18V XR batteries. The brushless...

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eBayDeWalt DCG420N 18V XR Compact Cordless Brushless Inline Die Grinder Body Only
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£198.49
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B&QB&Q - Dcg420N 18V Xr Compact Cordless Brushless Inline Die Grinder Bare Unit
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Tooled UpDeWalt DCG420 18v XR Cordless Brushless Compact Die Grinder No Batteries No Charger No Case
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£238.95
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Product Information

Full details

The DeWalt 18V XR Cordless Brushless Compact Die Grinder (DCG420N-XJ) is designed for professionals and serious DIYers seeking power and versatility in grinding, cutting, and finishing tasks. Its key benefit lies in the brushless motor, offering enhanced efficiency and durability for demanding jobs. A primary consideration is that it is a tool-only offering, requiring a separate purchase of an 18V XR battery and charger.

All features

Model Part NumberDCG420N-XJ
BrandDeWalt

Extended Product Information

FAQs

What is the primary advantage of the brushless motor?

The brushless motor offers increased efficiency, leading to longer runtimes, and provides greater durability and a longer lifespan for the tool.

Do I need to buy batteries and a charger separately?

Yes, this is a tool-only (N) model, meaning batteries and a charger are not included and must be purchased separately.

What type of batteries are compatible with this grinder?

This grinder is compatible with all DeWalt 18V XR lithium-ion batteries.

Can I use this for heavy-duty cutting?

While it is a powerful tool, it is a compact die grinder. For heavy-duty, continuous cutting, a larger angle grinder might be more suitable. However, it performs well for precision cutting and grinding tasks.

How do I change the grinding accessories?

Ensure the tool is disconnected from the battery. Use the appropriate wrench to loosen the nut holding the accessory. Remove the old accessory and place the new one, then tighten the nut securely.

Is there an LED work light on this model?

Yes, this model features an integrated LED work light to illuminate the workpiece for better visibility.

Troubleshooting

Tool does not start

Ensure the battery is fully charged and properly seated in the tool. Check if the battery is compatible (DeWalt 18V XR). Inspect the power switch for any obstructions.

Reduced power or performance

The battery may be low on charge; replace with a fully charged one. Check for any blockages or debris in the ventilation slots. Ensure the accessory is appropriate for the task and not worn out.

Accessory spinning erratically

Verify the accessory is correctly and securely mounted. Ensure the accessory is not damaged or warped. Check that the accessory's RPM rating meets or exceeds the tool's maximum speed.

Pros and Cons

Pros

  • Powerful performance due to the brushless motor.
  • Excellent battery compatibility within the DeWalt 18V XR system.
  • Compact and ergonomic design for ease of use and maneuverability.
  • Durable construction for professional applications.
  • Versatile for various grinding, cutting, and polishing tasks.

Cons

  • Battery and charger are sold separately.
  • May be overkill for very light-duty, infrequent tasks.
  • Brushless motors can sometimes be more expensive upfront.

Setup, Compatibility & Care

Setup: Ensure a compatible DeWalt 18V XR battery is fully charged and correctly inserted into the tool's battery port until it clicks into place. Select the appropriate grinding or cutting accessory and secure it firmly using the provided nut and wrench, following accessory-specific instructions. Familiarize yourself with the variable speed dial to select the optimal RPM for your task.

Compatibility: This tool is part of the DeWalt 18V XR system, meaning it is compatible with all DeWalt 18V XR lithium-ion batteries. Ensure accessories used are rated for the tool's maximum RPM and are securely fastened.

Care: After each use, clean the exterior of the tool with a dry or slightly damp cloth. Periodically check ventilation slots for dust buildup and clear them using compressed air. Store the tool and batteries in a dry, protected environment away from extreme temperatures. Never immerse the tool in water.

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