Do you need to change the blade on your Dewalt reciprocating saw? Yes, you absolutely will at some point! Knowing how to safely and quickly replace the blade is crucial for any user, whether you’re a seasoned professional or a DIY enthusiast. This guide provides step-by-step Dewalt blade change instructions, ensuring a smooth and efficient Dewalt reciprocating saw blade replacement process.
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Preparing for Your Dewalt Reciprocating Saw Blade Replacement
Before diving into the steps of changing the blade, let’s cover some essential preparations. These steps are crucial for both your safety and the longevity of your tool.
Safety First!
Your safety is paramount. Always follow these safety guidelines:
- Unplug the Saw or Remove the Battery: This is the MOST important step. Accidental activation of the saw while handling the blade can lead to serious injury. For a cordless reciprocating saw blade change, remove the battery pack.
- Wear Safety Glasses: Protect your eyes from flying debris. Even small particles can cause significant damage.
- Wear Gloves: Protect your hands from sharp blade edges and potential splinters.
- Work in a Well-Lit Area: Good visibility is crucial for safe and accurate blade replacement.
Gathering Your Tools
Having the right tools at hand will make the process smoother.
- New Reciprocating Saw Blade: Ensure you have the correct type of blade for the material you’ll be cutting. Different blades are designed for wood, metal, plastic, and other materials.
- Gloves: To protect your hands.
- Safety Glasses: Essential for eye protection.
- Rag or Cloth: To clean the blade clamp area if needed.
Choosing the Right Blade
Selecting the appropriate blade is vital for efficient cutting and extending the life of both the blade and your saw. Consider the following:
- Material: Wood blades have larger teeth and a wider set, while metal blades have finer teeth and are made from high-speed steel or bi-metal.
- TPI (Teeth Per Inch): Lower TPI is better for faster cuts in thicker materials. Higher TPI is ideal for smoother cuts in thinner materials.
- Length: Choose a blade length that’s appropriate for the thickness of the material you’re cutting. A longer blade is generally better for thicker materials to prevent the saw housing from hitting the material.
- Blade Type: Bi-metal blades are highly durable and versatile, suitable for a wide range of materials. Carbide-tipped blades are extremely durable and ideal for abrasive materials.
Step-by-Step: Dewalt Reciprocating Saw Blade Change Instructions
Now, let’s move on to the actual process of changing the blade. Most Dewalt reciprocating saws feature a quick blade change mechanism, making this task relatively simple.
Identifying Your Dewalt Sawzall Blade Release Mechanism
Dewalt offers different blade change mechanisms across their reciprocating saw models. Most modern Dewalt saws feature a lever-action or a push-button mechanism.
- Lever-Action: This usually involves a lever near the blade clamp that you need to rotate or flip to release the blade.
- Push-Button: This type typically has a button or plunger that you press to release the blade.
Consult your Dewalt owner’s manual for specific Dewalt blade change instructions related to your particular model.
Fathoming the Sawzall Blade Release types can help when replacing sawzall blade.
How to Remove Reciprocating Saw Blade: Step-by-Step Guide
Follow these steps to safely remove the old blade:
- Ensure the Saw is Unplugged or Battery is Removed: Double-check that the power source is disconnected.
- Locate the Blade Release Mechanism: Find the lever or button that controls the blade clamp.
- Activate the Release Mechanism:
- Lever-Action: Rotate or flip the lever according to your saw’s instructions. You might need to apply some force, especially if the blade is stuck.
- Push-Button: Press and hold the button.
- Remove the Old Blade: With the release mechanism activated, the blade should easily slide out of the clamp. If it’s stuck, gently wiggle the blade while holding the release.
- Inspect the Blade Clamp: Check for any debris or damage. Clean the clamp with a rag if necessary.
Dewalt Reciprocating Saw Blade Installation: Inserting the New Blade
Installing the new blade is just as important as removing the old one. Follow these steps carefully:
- Ensure the Release Mechanism is Still Activated: The lever or button should still be in the release position.
- Insert the New Blade: Align the tang (the end of the blade with the hole) with the blade clamp. Push the blade firmly into the clamp until it clicks or locks into place.
- Deactivate the Release Mechanism:
- Lever-Action: Return the lever to its original position.
- Push-Button: Release the button.
- Test the Blade Security: Gently pull on the blade to ensure it is securely locked in place. If the blade comes loose, repeat the installation process.
Dealing with a Stuck Blade
Sometimes, the blade can become stuck in the clamp due to rust, debris, or bending. Here’s how to handle this situation:
- Apply Lubricant: Use a penetrating oil or lubricant like WD-40 around the blade clamp area. Let it sit for a few minutes to loosen any rust or debris.
- Gently Wiggle the Blade: Use pliers or a similar tool to gently wiggle the blade back and forth while activating the release mechanism. Avoid excessive force, as this can damage the clamp.
- Use a Hammer (Carefully): If the blade is still stuck, try gently tapping the blade clamp area with a hammer. This can help dislodge any stubborn debris.
- Consult a Professional: If you’re unable to remove the blade after trying these methods, consider taking your saw to a qualified repair technician.
Maintenance Tips for Your Dewalt Reciprocating Saw
Proper maintenance will extend the life of your saw and ensure smooth operation. Here are some essential tips:
- Clean the Saw Regularly: Remove dust, debris, and buildup after each use. Use a brush or compressed air to clean hard-to-reach areas.
- Lubricate Moving Parts: Periodically lubricate the blade clamp mechanism and other moving parts with a light oil or grease.
- Inspect the Power Cord (for Corded Saws): Check for any damage to the power cord and replace it if necessary.
- Store the Saw Properly: Store the saw in a dry and clean environment to prevent rust and corrosion.
Choosing the Right Dewalt Reciprocating Saw
If you are looking to purchase a new saw, here are some popular models of Dewalt reciprocating saws:
Model | Type | Power Source | Key Features |
---|---|---|---|
DCS380B | Cordless | 20V Max | Keyless blade clamp, variable speed trigger, pivoting shoe |
DCS382B | Cordless | 20V Max | Brushless motor, keyless blade clamp, variable speed trigger |
DWE1314 | Corded | 13 Amp | Orbital action, keyless blade clamp, variable speed control |
DWE1156 | Corded | 15 Amp | Powerful motor, keyless blade clamp, variable speed trigger |
Common Problems and Solutions
Problem | Possible Cause | Solution |
---|---|---|
Blade won’t stay locked in | Worn or damaged blade clamp | Replace the blade clamp assembly. |
Blade keeps coming loose | Incorrect blade installation | Ensure the blade is fully inserted and the release mechanism is properly engaged. |
Saw vibrates excessively | Bent blade or loose components | Replace the blade and check for loose screws or parts. |
Saw is overheating | Overuse or dull blade | Allow the saw to cool down and use a sharp blade. |
Saw is not cutting efficiently | Wrong blade for the material or dull blade | Use the correct blade for the material and replace it if it’s dull. |
Cordless Reciprocating Saw Blade Change: Special Considerations
The process for a cordless reciprocating saw is essentially the same as for a corded model. However, remember these key points:
- Always Remove the Battery Pack: This is crucial for safety.
- Check Battery Charge: Ensure the battery is adequately charged before starting your cutting task.
- Consider Battery Type: Some Dewalt cordless saws use different battery platforms (e.g., 20V Max, FlexVolt). Make sure you are using the correct battery for your saw.
Deciphering Blade Types and Their Applications
Selecting the correct blade type is key to efficient and safe cutting. Here’s a breakdown of common blade types and their recommended applications:
Blade Type | Material | TPI Range | Characteristics |
---|---|---|---|
Wood | Wood, Plywood, Soft Plastics | 3-6 | Large teeth, wide set, fast cutting. |
Metal | Steel, Aluminum, Copper | 14-24 | Fine teeth, high-speed steel or bi-metal, smooth cutting. |
Bi-Metal | Multi-Purpose | 6-18 | Durable, versatile, suitable for a wide range of materials. |
Carbide-Tipped | Abrasive Materials | 3-10 | Extremely durable, ideal for materials like brick, concrete, and cast iron. |
Pruning | Tree Branches, Shrubs | 3-5 | Aggressive tooth design, designed for fast cutting of green wood. |
Demolition | Wood with Nails | 5-10 | Reinforced design, resistant to bending and breaking when cutting through nails. |
Tips for Achieving Optimal Cutting Performance
- Use the Correct Blade: Match the blade type to the material you’re cutting.
- Apply Consistent Pressure: Let the saw do the work. Avoid forcing the blade, which can lead to bending or breakage.
- Use Variable Speed: Adjust the speed to suit the material and the type of cut.
- Maintain a Straight Cutting Line: Follow the marked line carefully.
- Use a Guide (If Necessary): For precise cuts, consider using a guide or clamp to keep the saw on track.
FAQ Section
Here are some frequently asked questions about changing blades on a Dewalt reciprocating saw:
Q: What is the best way to store reciprocating saw blades?
A: Store blades in a dry location, preferably in a blade case or toolbox, to protect them from moisture and physical damage.
Q: Can I use any brand of blade on my Dewalt reciprocating saw?
A: Yes, as long as the blade has a universal tang that fits the blade clamp. Most reciprocating saw blades are designed with a universal tang.
Q: How often should I replace my reciprocating saw blade?
A: Replace the blade when it becomes dull, bent, or damaged. The frequency of replacement depends on the type of material you’re cutting and the amount of use.
Q: What do I do if the blade release lever is stuck?
A: Apply penetrating oil to the lever and blade clamp area. Gently wiggle the lever back and forth until it loosens.
Q: Can I sharpen my reciprocating saw blades?
A: While it is possible to sharpen some reciprocating saw blades, it is generally more cost-effective to replace them, especially for bi-metal and carbide-tipped blades.
By following these instructions and tips, you can confidently and safely perform a Dewalt reciprocating saw blade replacement, keeping your tool in top condition for all your cutting needs.

Hi, I’m Tom Scalisi, and welcome to The Saw Blog! I started this blog to share my hands-on experience and insights about woodworking tools—especially saws and saw blades. Over the years, I’ve had the chance to work with a wide range of tools, and I’m here to help both professionals and hobbyists make informed decisions when it comes to selecting and using their equipment. Whether you’re looking for in-depth reviews, tips, or just advice on how to get the best performance out of your tools, you’ll find it here. I’m excited to be part of your woodworking journey!