Isla Bennett
Cutting iron nails can be a challenging task, especially when they are embedded in wood or other materials. The process often involves using the right tools and techniques to ensure a clean and efficient cut without damaging the surrounding surface. Various methods can be employed, including snipping, sawing, and grinding, each requiring different tools such as wire cutters, saws with metal-cutting blades, and grinding wheels. Safety precautions, such as wearing safety goggles, are also important to consider when cutting iron nails. This guide will explore the different approaches and provide insights into choosing the most suitable method for specific situations.
| Characteristics | Values |
|---|---|
| Cutting tools | Woodworking hand saw, wire cutters, keyhole saw, diamond grinding wheels, angle grinders, rotary tools, SMART multi-tool blade |
| Cutting methods | Snipping, sawing, grinding |
| Cutting modalities | Power tools, muscle power |
| Cutting force | Work the tool around the fastener until the shank is close to the pivot point |
| Cutting blades | Metal-cutting blades, Bi-Metal SMART blade |
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What You'll Learn
Using a woodworking hand saw
If you don't have a metal saw, you can still cut an iron nail with a woodworking hand saw. This method will allow you to use the backside of a normal woodworking hand saw and avoid damaging the teeth.
Take a hammer, crowbar, screwdriver, or file and firmly strike the flat backside of the hand saw's blade several times to create small divots. Ensure that these divots are spaced out, creating small, useful saw teeth that can cut through metal.
With this modified backside, you can now use the woodworking hand saw to cut through the iron nail. Remember to use the backside of the blade to saw through the nail, protecting the wood-cutting side of the blade from damage.
It is important to note that cutting through metal with a woodworking hand saw is not as efficient as using dedicated metal-cutting tools like wire cutters, bolt cutters, or power saws with metal-cutting blades. However, in the absence of specialized tools, modifying a woodworking hand saw can be a viable solution for cutting iron nails or screws.
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Snipping with wire cutters
Wire cutters are a great option for cutting iron nails, especially when you want to preserve the look of the finished product. They can be used to cut off the head of a nail or a screw that is protruding through the material. Depending on the hardness of the metal and the diameter of the fastener, you can choose between common wire cutters and bolt cutters.
Common wire cutters have a pair of beveled blades that either strike against each other or bypass each other for a shear cut. The ones that strike against each other are called anvil cutters and are ideal for cutting iron nails and screws. Longer handles on wire cutters give more leverage and power, but they might not fit into your tool belt.
Bolt cutters are the heavy-duty cousins of anvil-type wire cutters. They have long handles, which make it easier to apply the right force to snip the nail. They are particularly useful when dealing with fasteners of larger diameters. However, their large size might not make them ideal for every job, especially if you don't have enough space around the nail.
When using wire cutters or bolt cutters, ensure that the tool fits fully around the shank of the nail. If the nail is embedded in the material, you may need to create some room by chiselling around the head.
While wire cutters are a great option for cutting iron nails, they might not be suitable for thicker nails, and you may need to use a grinder or other tools for such cases.
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Sawing with a reciprocating saw
Reciprocating saws are effective tools for cutting iron nails, especially during rough construction and demolition. They are easy to adapt to all types of metal-cutting projects due to the versatility of the orientation when inserting the saw blade. The blade of a reciprocating saw travels in a backward and forward, push-pull movement.
To cut an iron nail using a reciprocating saw, first ensure that you are wearing the correct safety gear. Eye and ear protection must be worn when using a reciprocating saw to protect against flying offcuts and chips. Sturdy gloves are also advised to protect your hands from cuts.
Next, select the correct blade for the metal being cut. The recommended blades for thin metal are those with 20-24 teeth per inch, for a medium thickness of metal, select a blade with 10-18 teeth per inch, and for very thick metal, a blade with around 8 teeth per inch is recommended. You can also purchase a Bi-metal saw blade set that contains a selection of blades suitable for a range of projects.
Now that you have selected the correct blade, adjust the shoe to ensure it is set at the most appropriate point on the blade. Place the blade where the cut will be, using the shoe as a pivot or fulcrum to help guide the blade until it gains purchase in the metal. Slowly squeeze the trigger and keep a firm hold on the tool housing. Changing the cutting angle by lowering or raising the trigger hand in relation to the workpiece can speed up cutting time.
When the cut is complete, let go of the trigger and withdraw the blade back through the cut. To prolong the life of your reciprocating saw blade, set the saw to a slower speed than for wood cutting. This will extend the blade life and provide more control and precision.
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Grinding with a diamond grinding wheel
Diamond grinding wheels are an effective way to cut through iron nails, along with other materials such as bolts and screws. They can be affixed to both large and small rotary cutters. Angle grinders are the most powerful of all metal-cutting tools and are often used by metalworkers to cut through heavy bolts.
Diamond grinding wheels can be purchased from the Diamond Tool Store, which offers a variety of options for grinding disc wheels for metal and steel, including stainless steel and metal alloys. SHDIATOOL also offers a 4-1/2 inch diamond grinding cup wheel for iron steel, which is available on Hunker for $29.99.
It is important to note that there are potential issues when using diamond grinding wheels on steel. Some sources claim that diamonds and steel do not mix due to the carbon in the steel, which can cause the diamond to dissolve into the steel when it gets hot enough. This can be prevented by using a slow and water-cooled grinder, which protects the diamond layer from overheating.
Another option for grinding hardened tool steel is to use a Noratake vitrified Borazon wheel, which can be dressed with a sharp diamond. This wheel has an eight-inch diameter and a half-inch width, and it costs around $500. For finer finishes, a 60-J aluminum oxide with 30% ceramic with higher porosity can be used.
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Using a multi-tool blade
When using a multi-tool blade to cut an iron nail, it is important to select the right type of blade. A carbide blade is a good option, and you can find these in brands like Diablo and Dremel. If you are cutting through timber as well, the Bi-Metal SMART blade is a good choice as it can cut through both wood and nails without damaging the blade. This blade is also small enough to fit into awkward spaces.
Before you begin cutting, ensure that the blade is attached to the multi-tool correctly. Position the blade flat against the timber, at the bottom of the nail. When cutting, use a hacksaw motion, moving the blade side to side. This will increase the life of your blade by spreading the load across the teeth and preventing rapid wear and tear.
If you are cutting a nail embedded in a wall, such as in crown molding, it is important to be careful to avoid damaging the wall. One way to do this is to use something thin and sturdy, like a clipboard or corrugated plastic, between the tool and the drywall.
For thicker nails, you may need to use a different tool, such as end nippers, cutters with compound action, or a mini bolt cutter. These tools can provide more leverage and cutting power for thicker or harder nails.
It is important to note that cutting iron nails, especially with a multi-tool blade, can be challenging and may require some trial and error to find the right blade and technique for your specific situation.
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Frequently asked questions
You can use a variety of tools to cut an iron nail, including a metal-cutting blade, a woodworking hand saw, a grinder, wire cutters, a Dremel, bolt cutters, or pliers.
The best way to cut an iron nail depends on the specific situation. If you are cutting through timber with embedded nails, the SMART Bi-Metal blade is a good option as it cuts through both timber and nails without damaging the blade. If you are cutting through a single nail, you can use a tool such as a grinder or wire cutters.
Yes, you can use a woodworking hand saw to cut an iron nail. First, smack the saw a few times from one end to another to create tiny teeth. Then, you can use the saw to cut through the nail.
