DeWalt Impact Driver - DCF850N

The DeWalt DCF850N is an ultra-compact impact driver, measuring only 100mm, making it comfortable ...

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B&QB&Q - Dcf850N 18V Xr Brushless Ultra Compact Impact Driver + Powerstack Battery
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£169.99
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Product Information

Full details

This guide is for anyone using the DeWalt DCF850N impact driver, a compact and powerful tool ideal for various fastening tasks. The key benefit is its ability to deliver high torque in a small package, making it perfect for tight spaces. However, note that while the Powerstack battery enhances performance, it requires a compatible charger. This guide will cover the features, usage, and maintenance of your DCF850N to help you get the most out of your tool.

All features

Model Part NumberDCF850N
BrandDeWalt

Extended Product Information

FAQs

What type of bits can I use with this impact driver?

The DCF850N uses standard 1/4" hex shank bits.

What is the Precision Drive mode?

The Precision Drive mode is designed to prevent over-tightening and stripping of fasteners. It is ideal for delicate applications.

What batteries are compatible with this impact driver?

This impact driver is compatible with all DeWalt 18V XR battery packs.

How do I change the speed settings?

Use the speed selector located on the tool to choose between the three available speed settings.

How do I maintain the battery?

Avoid extreme temperatures and humidity. Charge the battery only when needed and follow the manufacturer's charging instructions.

Where can I find replacement parts?

Replacement parts are available through DeWalt authorized service centers and online retailers.

What is the warranty on this tool?

Please consult the DeWalt warranty information that came with the product for specific details.

Troubleshooting

Impact driver doesn't turn on.

Check that the battery is properly inserted and charged. If the battery is installed correctly and charged, make sure the tool's switch is in the 'on' position.

Impact driver has reduced power.

Ensure the battery is fully charged. If the battery is charged, check for any obstructions in the bit holder or the motor.

Bit is difficult to remove.

Pull the bit holder sleeve to release the bit. If the bit is still stuck, make sure there is no debris obstructing the mechanism.

Pros and Cons

Pros

  • Compact size allows for easy use in tight spaces.
  • High torque output makes it suitable for demanding applications.
  • Quick bit changes with the one-handed bit holder.
  • Integrated LED light improves visibility in low-light conditions.
  • Multiple speed settings provide versatility for various tasks.
  • Powerstack battery technology enhances performance and durability.

Cons

  • Requires a compatible DeWalt 18V XR charger.
  • Powerstack battery may have a shorter runtime compared to larger XR batteries, depending on the application.
  • The compact size may be less comfortable for users with larger hands during extended use.
  • The initial investment may be higher compared to other impact drivers due to the Powerstack battery.
  • Battery life will vary depending on the load and use.

Setup, Compatibility & Care

Setup:

  1. Insert the DeWalt 18V XR battery pack into the base of the impact driver until it clicks.
  2. Insert the appropriate bit into the 1/4" bit holder. The bit will lock in place.
  3. Select the desired speed and torque setting using the control located on the tool.

Compatibility:

  • The DCF850N is compatible with all DeWalt 18V XR battery packs.
  • Use only genuine DeWalt batteries and chargers for optimal performance and safety.

Care:

  • Keep the tool clean and free of debris.
  • Wipe the tool with a damp cloth; do not submerge in water.
  • Inspect the tool regularly for damage or wear.
  • Store the tool and batteries in a dry, protected area.

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