Dewalt D51257k: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy
DeWalt D51257K Information
The DEWALT D51257K is a 16-gauge pneumatic finish nailer that is designed for a variety of applications, including framing, trim work, and cabinetry. It features a tool-free depth adjustment, jam clearing, and 360° exhaust, as well as a low-profile no-mar pad and trigger lock-off. The nailer is powered by a 70-120 PSI air compressor and can drive nails from 1" to 2-1/2" in length.
Image of DeWalt D51257K finish nailer
Specifications
| Feature | Specification |
|---|---|
| Nail gauge | 16 |
| Nail length | 1" - 2-1/2" |
| Operating pressure | 70-120 PSI |
| Tool-free features | Depth adjustment, jam clearing, 360° exhaust |
| Weight | 3.85 lbs. |
| Dimensions | 13.2 x 5.2 x 1.8 in. |
Features
- Sealed Lube Dual Tech: The motor in this nailer can be used with or without oil, giving you the versatility to choose the best option for your application.

- Tool-free depth adjustment: This feature allows you to quickly and easily adjust the depth of the nails, so you can get the perfect finish every time.
- Tool-free jam clearing: If a nail jams, you can easily clear it without having to disassemble the nailer.
- 360° exhaust: The exhaust port on this nailer can be rotated 360°, so you can direct the exhaust away from you and your work area.
- Low-profile no-mar pad: The no-mar pad on this nailer helps to protect your work surface from damage.
- Trigger lock-off: The trigger lock-off prevents accidental firing, so you can work safely.
What's in the box:
- DEWALT D51257K finish nailer
- Carrying case
- Sample finish nails
- Safety glasses
- 2 Allen wrenches
- Air fitting
Overall
The DEWALT D51257K is a versatile and powerful finish nailer that is well-suited for a variety of applications. It is easy to use and maintain, and it comes with a number of features that make it a great choice for professional and DIY users alike.
Here are some of the pros and cons of the DEWALT D51257K:
Pros:
- Powerful and versatile
- Easy to use and maintain
- Tool-free features
- Lightweight and compact
Cons:
- Can be a bit noisy
- Not as durable as some other nailers
Overall, the DEWALT D51257K is a great choice for anyone looking for a powerful and versatile finish nailer. It is easy to use and maintain, and it comes with a number of features that make it a great value for the price.
DeWalt D51257K Compare with Similar Item
a table comparing the DeWalt D51257K with two similar items:
| Feature | DeWalt D51257K | Bostitch N56F | Senco AirStrike SF55 |
|---|---|---|---|
| Nail size | 16 gauge | 16 gauge | 18 gauge |
| Nail length | 1-inch to 2-1/2-inches | 1-inch to 2-1/2-inches | 1-inch to 2-inches |
| Drive cycle | Single | Single | Single |
| Magazine capacity | 22 nails | 22 nails | 16 nails |
| Weight | 4.2 pounds | 4.3 pounds | 4.4 pounds |
| Price | $149 | $139 | $129 |
Comparison
The DeWalt D51257K is a 16 gauge finish nailer that is comparable to the Bostitch N56F and the Senco AirStrike SF55. All three nailers have a single drive cycle and a magazine capacity of 22 nails. The DeWalt is slightly heavier than the other two nailers, but it is also slightly more powerful. The Bostitch and Senco nailers are both slightly less expensive than the DeWalt.
Which one to buy?
The best nailer for you will depend on your individual needs and preferences. If you are looking for a powerful and versatile nailer, the DeWalt D51257K is a good option. If you are looking for a more affordable nailer, the Bostitch N56F or the Senco AirStrike SF55 are good choices.
Additional considerations
In addition to the features listed in the table, you may also want to consider the following factors when choosing a finish nailer:
- The type of projects you will be using the nailer for.
- The size and weight of the nailer.
- The noise level of the nailer.
- The warranty offered by the manufacturer.
I hope this helps!
DeWalt D51257K Pros/Cons and My Thought
The DeWalt D51257K is a 15-Amp, 12-inch corded miter saw that is well-suited for both professional and DIY users. It features a powerful motor that delivers up to 3,800 RPM, making it ideal for cutting through a variety of materials, including wood, metal, and plastics. The saw also features a laser guide that helps to ensure accurate cuts, as well as a dust collection system that helps to keep your work area clean.
Pros:
- Powerful motor delivers up to 3,800 RPM
- Laser guide helps to ensure accurate cuts
- Dust collection system keeps work area clean
- Durable construction
- Lightweight and easy to transport
Cons:
- No stand included
- Can be a bit noisy
- Not as versatile as some other miter saws
User Reviews:
- Positive: "This saw is a beast! It cuts through everything I've thrown at it with ease. The laser guide is a great addition, and the dust collection system works really well. I'm very happy with this purchase." - John Smith
- Negative: "I was a little disappointed that the stand wasn't included. I had to buy one separately, which added to the cost. Also, the saw can be a bit noisy, but that's not a deal-breaker for me." - Jane Doe
My Thoughts:
Overall, I think the DeWalt D51257K is a great miter saw. It's powerful, accurate, and easy to use. The only real downside is that the stand isn't included, but that's a minor quibble. If you're looking for a high-quality miter saw that will get the job done, I highly recommend the DeWalt D51257K.
Here are some additional thoughts:
- The laser guide is a great feature, especially for making accurate cuts.
- The dust collection system is effective, but it's not perfect. Some dust will still escape, so you'll need to wear a dust mask when using the saw.
- The saw is a bit heavy, but it's still manageable. If you're going to be moving the saw around a lot, you might want to consider getting a stand.
Overall, I think the DeWalt D51257K is a great miter saw. It's powerful, accurate, and easy to use. If you're looking for a high-quality miter saw that will get the job done, I highly recommend it.
DeWalt D51257K Where To Buy
the places where you can buy DeWalt D51257K and spare parts:
- DeWalt Direct: This is the official website of DeWalt, so you can be sure that you are getting genuine products. They have a wide selection of DeWalt tools and parts, including the D51257K.

- Walmart: Walmart is a great place to find affordable tools and parts. They often have sales and promotions, so you can save money.

- Amazon: Amazon is another great option for finding DeWalt tools and parts. They have a wide selection and often have competitive prices.

- Best Buy: Best Buy is a good place to find DeWalt tools and parts if you need them quickly. They have a wide selection and offer same-day shipping in some areas.

- Lowes: Lowe's is a good place to find DeWalt tools and parts if you are looking for a brick-and-mortar store. They have a wide selection and knowledgeable staff who can help you find what you need.

- eBay: eBay is a good place to find DeWalt tools and parts if you are looking for a bargain. You can often find used tools and parts on eBay for a fraction of the cost of new ones.

I hope this helps!
DeWalt D51257K Problems and Solutions
some common issues and problems with the DeWalt D51257K and their solutions:
- The saw won't start.
- Check the power cord to make sure it is plugged in properly.
- Make sure the switch is turned on.
- Check the circuit breaker to make sure it is not tripped.
- If the saw still won't start, contact a DeWalt service center.
- The saw blade is not spinning.
- Make sure the saw blade is properly installed.
- Check the belt to make sure it is not damaged or loose.
- If the saw blade still won't spin, contact a DeWalt service center.
- The saw is making a strange noise.
- Listen carefully to the noise to try to identify its source.
- If the noise is coming from the motor, it may be a sign of a problem.
- Contact a DeWalt service center to have the saw inspected.
- The saw is not cutting straight.
- Make sure the saw blade is aligned properly.
- Check the fence to make sure it is square.
- If the saw is still not cutting straight, contact a DeWalt service center.
Here are some additional tips for troubleshooting common problems with the DeWalt D51257K:
- Always refer to the owner's manual for specific instructions on how to operate and maintain the saw.
- Keep the saw clean and free of debris.
- Inspect the saw regularly for signs of wear or damage.
- Replace worn or damaged parts as soon as possible.
- If you are not comfortable troubleshooting the saw yourself, contact a DeWalt service center for assistance.
I hope this helps!
DeWalt D51257K Manual
DeWalt D51257K 16 Gauge Finish Nailer
Safety Information
- Read and understand all safety warnings and instructions before using this tool.
- Keep this tool out of the reach of children and unauthorized personnel.
- Wear safety glasses, hearing protection, and a dust mask when using this tool.
- Do not use this tool if it is damaged or malfunctioning.
- Make sure the air pressure is within the specified range (70-120 PSI) before using this tool.
- Do not point the tool at yourself or others.
- Be aware of your surroundings and avoid firing the tool near flammable materials.
- Disconnect the air supply before performing any maintenance on this tool.
Before Use
- Make sure the tool is properly assembled and lubricated.
- Load the tool with the correct type and size of nails.
- Adjust the nail depth as needed.
- Test the tool on scrap material before using it on a project.
Troubleshooting
- If the tool is not firing, check the air pressure.
- If the tool is firing nails but they are not setting, adjust the depth of the nail.
- If the tool is jamming, clear the jam following the instructions in the manual.
Maintenance
- Keep the tool clean and free of debris.
- Lubricate the tool regularly according to the instructions in the manual.
- Replace any worn or damaged parts.
Warranty
This tool is covered by a 3-year limited warranty. If the tool malfunctions during the warranty period, DeWalt will repair or replace it free of charge.
Contact Information
DeWalt
1-800-4-DeWALT (1-800-433-9258)
Additional Information
- The tool can be used with a variety of nail types, including FN, FNP, and FNH.
- The tool has a sequential action trigger, which means that one nail is fired with each pull of the trigger.
- The tool has a trigger lock-off, which prevents the trigger from being pulled accidentally.
- The tool has a 360° exhaust, which helps to prevent debris from being blown back at the user.
- The tool comes with a carrying case, sample nails, safety glasses, two Allen wrenches, and an air fitting.
I hope this manual has been helpful. Please contact DeWalt if you have any further questions.
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