
The DEWALT DCN660 16-Gauge Angled Finish Nailer is a powerful tool that drives 16-gauge angled finish nails ranging from 1-1/4 to 2-1/2 in length. This nail gun is ideal for various applications, including fastening crown molding, casing, and baseboards, and trim installation. With its brushless motor and cordless design, the DCN660 offers convenience and versatility. The nail gun is compatible with DEWALT 20V MAX* Lithium-Ion batteries, providing the freedom to work without the hassle of gas, a compressor, or a hose. In this article, we will provide a step-by-step guide on how to load the DEWALT 16-gauge trim nail gun, ensuring you can tackle your projects with ease.
| Characteristics | Values |
|---|---|
| Nail Type | 16 Gauge angled finish nails |
| Nail Length | 1-1/4" to 2-1/2" |
| Nail Angle | 20-degree angled magazine |
| Nail Capacity | Up to 120 nails |
| Power Source | DEWALT 20V MAX* Lithium-Ion battery |
| Compatibility | Compatible with all DEWALT 20V MAX batteries and chargers |
| Features | Brushless motor, cordless, 6-position dial, rear-load magazine |
| Use Cases | Fastening crown molding, casing, baseboards, trim installation, door casement installation |
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Loading the nail gun
Firstly, ensure the nail gun is switched off and unplugged from its power source. This is an essential safety precaution to prevent accidental discharge during the loading process. Place the nail gun on a stable surface with the nozzle facing away from you.
Next, locate the loading mechanism, which is usually at the rear of the nail gun. Different models may have slightly different loading procedures, but the basic principle remains the same. The loading mechanism will have a latch or a release button that needs to be depressed to open the chamber. Once the latch is released, the nail magazine should slide out smoothly.
With the magazine released, you can now insert the nails. Ensure you are using the correct nails for your Dewalt model. The nails should be placed into the magazine with the pointed tips facing towards the nozzle. Fill the magazine to the capacity specified in your model's user manual. Do not overfill the magazine as this may cause jams or malfunctions.
Once loaded, slide the magazine back into the nail gun firmly until it clicks into place. Ensure it is secure and properly seated. Now, you can release the latch or close the loading mechanism, ensuring it is locked into position.
Finally, you may now reconnect the nail gun to its power source and switch it on. Always perform a test fire into a safe, clear area to ensure the nails are seated and firing correctly. Check your nail placement and depth are suitable for your project, and adjust the settings accordingly.
Your Dewalt 16 Gauge Trim Nail Gun is now loaded and ready for use.
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Using the nail gun
The DEWALT 16 Gauge Trim Nail Gun is a powerful and versatile tool that can be used for a variety of applications. It is ideal for fastening baseboards, door and window casing, crown moulding, and trim installation. Here is a step-by-step guide on how to use the DEWALT 16 Gauge Trim Nail Gun:
Before you begin, ensure that you are wearing appropriate safety gear, including eye protection and gloves. Inspect the nail gun for any signs of damage and ensure that it is loaded with the correct type and size of nails. The nail gun can drive 16 Gauge angled finish nails from 1-1/4" to 2-1/2" in length.
To load the nail gun, start by locating the loading mechanism, which is typically at the rear of the gun. Open the loading door and insert the nails into the magazine, ensuring that they are aligned properly and facing the correct direction. Close the loading door securely before proceeding.
Once the nail gun is loaded, you can begin using it. Position the tip of the nail gun firmly against the surface you wish to nail. Apply pressure to the trigger, located at the base of the handle, to activate the nail gun. The nail will be driven into the surface with force.
You can adjust the depth of the nail penetration by using the 6-position dial on the nail gun. This allows you to control how deeply the nails are driven into the surface, depending on the requirements of your project. Always ensure that you are holding the nail gun securely and that your hand is wrapped around the handle for a firm grip.
The DEWALT 16 Gauge Trim Nail Gun is powered by a DEWALT 20V MAX* Lithium-Ion battery, providing the convenience of cordless operation. This nail gun is designed with a brushless motor, eliminating the need for gas, a compressor, and a hose. Its ergonomic design and lightweight body make it comfortable to use for extended periods without causing hand strain.
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Troubleshooting
If your nail gun is not firing, there are a few things you can try. Firstly, check that the battery is fully charged and inserted correctly. If the battery is the issue, try taking it out and then putting it back in right away—this has been known to solve the problem. If your nail gun still doesn't work, try pressing against the wood and pulling the trigger almost immediately.
If your nail gun is jamming, the DEWALT nail gun has easy access to the nosepiece, allowing for the removal of jammed nails without the need for screwdrivers or tool wrenches.
For more complex issues, such as problems with the motor or electronics, you will need to take your nail gun to a professional service centre for repair. DEWALT offers to repair, without charge, any defects due to faulty materials or workmanship within the specified warranty.
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Battery charging
The Dewalt DCN660 16-gauge trim nail gun is powered by a 20V MAX* Lithium-Ion battery. The battery is compatible with all Dewalt 20V MAX* products. The nominal voltage of the battery is 18V.
To charge the battery, you will need a Dewalt 20V MAX* battery charger. The charger will have a port that the battery slots into. Insert the battery into the charger and plug the charger into a power outlet. The battery will take a few hours to fully charge. You can also leave the battery in the charger once it is fully charged and it will remain charged for when you need it.
It is important to note that if you are using an 18V battery, you will need to use an adapter to make it compatible with the 20V nail gun.
Some users have reported issues with the battery life of the nail gun, with one user stating that their nail gun only fires 4-5 times before stopping. However, others have reported that the battery lasts all day. It is recommended to keep power tools clean and well-maintained to ensure optimal battery performance.
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$299.99 $319.5

Maintenance
To ensure your DEWALT 16 Gauge Trim Nail Gun remains in good working condition, regular maintenance is essential. Here are some detailed instructions and tips to maintain your nail gun:
Battery Care:
- The DEWALT 16 Gauge Trim Nail Gun is powered by a DEWALT 20V MAX Lithium-Ion battery. To maintain the battery's health, avoid overcharging it by removing it from the charger once it's fully charged.
- Store the battery in a cool, dry place, as extreme temperatures can damage it.
- Clean the battery terminals regularly with a soft, dry cloth to remove any dirt or debris that may hinder its performance.
Tool Cleaning and Care:
- After each use, wipe down the nail gun with a clean, damp cloth to remove any dust, debris, or excess oil that may have accumulated. Pay close attention to the nose piece and the area around the nail magazine.
- Ensure the nail gun is stored in a dry place to prevent rusting or corrosion.
- Lubrication is crucial for the nail gun's performance and longevity. Apply a small amount of recommended lubricant to the moving parts, such as the nail driver and the nail magazine release mechanism, to ensure smooth operation and reduce wear and tear.
Safety Precautions:
- Always disconnect the battery before performing any maintenance or cleaning tasks to prevent accidental discharge.
- Wear safety goggles and gloves when maintaining your nail gun to protect your eyes and hands from any debris or sharp components.
By following these maintenance instructions and regularly inspecting your DEWALT 16 Gauge Trim Nail Gun, you can ensure its optimal performance, prolong its lifespan, and ensure your safety during operation.
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Frequently asked questions
The Dewalt 16 Gauge Trim Nail Gun has a rear-load magazine. This means that you load the nails into the rear of the nail gun.
The nail gun is compatible with Dewalt and most other 20-degree angled finish nails. The nails should be 16-gauge and range from 1-1/4" to 2-1/2" in length.
The nail gun has a capacity of up to 120 nails.
The initial battery voltage is 20 volts, and the nominal voltage is 18 volts.










































