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DeWalt Right Angle Die Grinder - DCG421N

DeWalt Right Angle Die Grinder - DCG421N

The DeWalt DCG421N 18V XR Compact Right Angle Die Grinder is designed for professional grinding, s...

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Dewalt Dark 18V Xr Brushless Compact Right Angle Die Grinder, Dcg421n-Xj

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AmazonDewalt Dark 18V Xr Brushless Compact Right Angle Die Grinder, Dcg421n-Xj
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£196.98
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B&QB&Q - Dcg421N 18V Xr Brushless Compact Right Angle Die Grinder Bare Unit
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£211.50
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Power Tools DirectDewalt Power Tools Light Dcg421n-Xj Dcg421n Xr Compact Right Angle Die Grinder 18V Bare Unit
£5.95 delivery
£228.01
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Tooled UpDeWalt DCG421 18v XR Cordless Compact Right Angle Die Grinder No Batteries No Charger No Case
£5.95 delivery
£235.95
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Blueperry agriculture (UK)Dewalt Power Tools Light Dewalt Dcg421n Xr Compact Right Angle Die Grinder 18V Dcg421n-Xj
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£237.60
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Product Information

Full details

The DeWalt DCG421N 18V XR Compact Right Angle Die Grinder is designed for professional tradesmen needing to perform grinding, shaping, and finishing tasks in tight and awkward spaces. Its key benefit is providing strong cordless power and maneuverability for challenging angles, though it requires a separate purchase of a battery and charger as it's a body-only unit. This tool features a durable brushless motor, variable speed control, an LED light for visibility, and safety features like an electronic brake and clutch.

All features

Model Part NumberDEWDCG421N
BrandDeWalt

Extended Product Information

FAQs

What battery type does the DeWalt DCG421N use?

The DeWalt DCG421N is compatible with all DeWalt 18V XR Lithium-Ion batteries. It is sold as a body-only unit, so a battery and charger must be purchased separately if you do not already own them.

What size collets are included with this die grinder?

The DeWalt DCG421N comes supplied with both 6mm and 1/4" collets to accommodate a wide range of standard die grinder accessories.

How do I change the accessory on the die grinder?

To change the accessory, first ensure the battery is removed. Press and hold the spindle lock button, then use the appropriate wrench (not included) to loosen the collet nut and remove the old accessory. Insert the new accessory, tighten the collet nut securely while holding the spindle lock, and then remove the battery.

What is the benefit of the electronic clutch?

The electronic clutch is a safety feature designed to reduce kickback. If the accessory binds or stalls during operation, the clutch disengages the motor, helping to protect both the user and the tool from sudden jolts.

Can I use this tool for heavy-duty, continuous cutting?

While powerful, this is a compact die grinder. For extremely heavy-duty or prolonged cutting tasks, a larger angle grinder might be more suitable. However, for detailed grinding, shaping, and finishing in confined spaces, it performs very well.

How does the LED light help?

The integrated LED light ring illuminates the immediate work area around the accessory. This significantly improves visibility when working in dimly lit environments or detailed applications, allowing for more precise work.

How do I maintain the tool for longevity?

Regularly clean the mesh debris covers to prevent dust buildup which can affect motor performance and lifespan. Keep the tool clean and store it in a dry place. Ensure accessories are properly fitted and are not damaged.

Troubleshooting

Tool does not turn on

Ensure the battery is fully charged and correctly inserted. Check for any obstructions around the trigger mechanism.

Reduced power or performance

Check battery charge level. Clean the mesh debris covers for proper motor ventilation. Ensure the accessory is not binding and is appropriate for the selected speed.

Accessory spins erratically or vibrates excessively

Verify the accessory is correctly seated in the collet and securely tightened. Ensure the accessory is not damaged or unbalanced. Check that the correct collet size is being used.

Electronic brake not stopping the accessory quickly

Ensure the battery is adequately charged. If the issue persists, contact DeWalt support.

Pros and Cons

Pros

  • Excellent for working in tight spaces due to its compact, right-angle design.
  • Powerful brushless motor provides ample performance for demanding tasks.
  • Variable speed settings offer great control for different materials and applications.
  • Integrated LED light improves visibility in dark work areas.
  • Safety features like electronic brake and clutch enhance user protection.

Cons

  • Sold as a body-only unit, requiring separate purchase of battery and charger.
  • Battery life depends on the capacity of the separately purchased battery.
  • May be less powerful than corded alternatives for extremely heavy-duty, continuous use.
  • Requires specific collets (6mm and 1/4'') for accessory compatibility.

Setup, Compatibility & Care

Setup:

  1. Ensure a compatible DeWalt 18V XR battery is charged and securely attached to the tool.
  2. Select the appropriate collet (6mm or 1/4'') for your desired accessory and insert it into the spindle.
  3. Insert the accessory (e.g., grinding stone, cutting disc) into the collet.
  4. Tighten the collet using the spindle lock button and appropriate wrench (not included).
  5. Ensure the work area is clear and wear appropriate safety gear.

Compatibility:

  • Compatible with all DeWalt 18V XR Lithium-Ion batteries.
  • Uses standard 6mm and 1/4'' shank accessories for die grinders.

Care:

  • Keep the tool clean by wiping it down with a dry or slightly damp cloth after use.
  • Periodically check and clean the mesh debris covers to ensure proper airflow and prevent dust buildup.
  • Store the tool in a dry, protected environment when not in use.
  • Avoid exposing the tool to excessive moisture or extreme temperatures.

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