Isla Bennett
When it comes to cutting cement nails, a few different types of Sawzall blades are available. The first is the Wrecker™ with NITRUS CARBIDE™ which can cut through a wide range of materials, including wood with nails, roofing material, plaster, and drywall. Another option is the TORCH™, which is a metal-cutting blade that can handle even the toughest cast removals. For cutting nails specifically, the Nail Guard™ feature built into the tooth design can be useful, as it protects against tooth fractures when cutting nails between studs and joists. Additionally, carbide grit blades can be effective for cutting nails, although they are not designed for metal cutting. When choosing a blade, it's important to consider the type of material being cut and select a blade that is specifically designed for that purpose.
| Characteristics | Values |
|---|---|
| Blade type | Bi-metal |
| Brand | Lenox, Starret, Milwaukee, Bosch, Diablo, Makita, DEWALT |
| Teeth per inch (TPI) | 16-24 |
| Blade length | 8-12 inches |
| Additional features | Nail Guard, Fang Tip, NITRUS CARBIDE, Carbide Grit, Carbide Teeth, Matrix II bi-metal teeth, Ice Hardened |
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What You'll Learn
Nail Guard blades protect against tooth fractures
When cutting through nails, it is important to use the right type of blade to prevent damage to the tool and the blade itself. While some users have reported success with metal-cutting blades, such as those from Lenox, others have found that these blades can quickly dull when cutting through nails. To cut through nails, a carbide grit blade or a wood-cutting blade may be more suitable.
The Milwaukee Tool website offers a wood-cutting Sawzall blade that has been specifically designed to cut through nails embedded in wood. This blade features their proprietary Nail Guard technology, which combines a 5 TPI pattern for faster cutting with a unique design that protects against tooth fractures. The Fang Tip design allows the blade to bite into the wood on first contact, providing faster plunge cuts for maximum efficiency. The thicker blade stock also provides maximum durability, and the double relief angle reduces tooth stress, prolonging the life of the blade.
In addition to the Nail Guard technology, the Milwaukee Sawzall blade also features Matrix II bi-metal teeth, which further enhance the blade's durability and protect against tooth fractures. These teeth are made from a combination of two different metals, providing both strength and flexibility. This combination of features makes the Milwaukee Sawzall blade an excellent choice for cutting through nails, providing speed, efficiency, and durability.
When using a Sawzall or any other reciprocating saw, it is important to choose the right type of blade for the material being cut. Using a wood-cutting blade, such as the Milwaukee Sawzall blade with Nail Guard technology, can make the task of cutting through nails much more efficient and help extend the life of the blade. By combining a fast-cutting design with features that protect against tooth fractures, the Milwaukee Sawzall blade provides a durable and efficient solution for cutting through nails embedded in wood.
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$17.99
Carbide grit blades for cutting metal
When it comes to cutting through hardened materials, carbide grit blades are a great option. Carbide grit band saw blades are specifically designed to cut through materials that conventional blades cannot, including case-hardened steels, fibre-reinforced plastics, and composite graphite. With a carbide grit blade, you can easily tackle complex and thin materials.
One of the key advantages of carbide grit blades is their versatility. They come in two styles: continuous and gulleted. The continuous style is ideal for cutting aircraft/sheet stainless steel, fiberglass honeycomb, glass and glass block, nickel alloys, and titanium. On the other hand, the gulleted style is perfect for aircraft flooring and interiors (composites), aluminum oxide, carbon/graphite, cast iron, industrial ceramic, stone and minerals, and wire-reinforced rubber.
It's important to choose between medium and coarse grit when selecting a carbide grit blade. The medium grit will leave a better finish on your workpiece, while the coarse grit will remove more material with each pass. This makes coarse grit ideal for faster cutting or when you need to remove a significant amount of material.
While carbide grit blades offer excellent performance in certain applications, it's important to note that they are not designed for cutting metal. For cutting metal, you would typically require a quality bi-metal blade from brands like Lenox, Starret, or Milwaukee. Finer pitch teeth and slower cutting speeds are also recommended for better results when cutting metal, especially steel.
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Wrecker blades for a wide variety of materials
When cutting through a wide variety of materials, it's important to select the right blade for the job to ensure clean cuts and avoid blade dulling or breakage. Here's a guide to help you choose the correct Wrecker blade for your project:
For Cutting Nails and Metal:
To cut through nails and metal, opt for a quality bi-metal blade. Look for blades made from durable materials like carbide or lenox metal. Some recommended brands include Lenox, Starret, and Milwaukee. When cutting metal, it's crucial to use a finer pitch tooth configuration, ranging from 16 to 24 TPI (teeth per inch). Slowing down the cutting speed is also recommended when dealing with hard materials like steel. If you encounter ceramic-coated screws, consider using a carbide grit blade, as regular metal blades may not be effective.
For Cutting Wood with Embedded Nails:
Milwaukee Tool offers Wood Cutting Sawzall blades that are specifically designed for cutting wood with embedded nails. These blades feature NAIL GUARD™ technology, which prolongs blade life and enhances tooth durability. The FANG TIP™ design allows for quick and efficient plunge cuts, and the Matrix II bi-metal teeth prevent tooth fracture. These blades are compatible with most standard saws due to their universal tangs.
For Concrete and Cement:
When cutting through concrete or cement, it's essential to use a specialised blade designed for this purpose, such as a concrete-cutting diamond blade. These blades are engineered with a specific tooth design and durable materials to withstand the abrasive nature of concrete and cement.
Always refer to the manufacturer's instructions and safety guidelines when using power tools and blades. Ensure that you match the blade to the specific material you are cutting to achieve the best results and prolong the life of your blades.
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Fang Tip design for rapid plunge cutting
When it comes to cutting cement nails with a Sawzall, choosing the right blade is crucial. While some users have reported success with metal blades, such as those from Bosch, others have found that they dull quickly without effectively cutting through the nails. For this reason, it is recommended to opt for a quality bi-metal blade from reputable brands like Lenox, Starret, or Milwaukee.
One of Milwaukee's standout products is their Wood Cutting Sawzall blades, which are specifically designed for efficient cutting of nail-embedded wood. These blades feature the innovative FANG TIP™ design, which enables rapid plunge cutting. The FANG TIP™ technology allows the blade to bite into the wood on initial contact, resulting in quick and efficient plunge cuts. This design is particularly useful when working with nail-embedded wood, ensuring that the blade can effortlessly penetrate the material.
The FANG TIP™ design is complemented by the Matrix II bi-metal teeth on the Milwaukee blades. These teeth are engineered to prevent tooth fracture, enhancing the overall durability of the blade. With this combination of features, users can achieve straighter and more accurate cuts, even when dealing with challenging nail-embedded wood.
In addition to the blade design, it is essential to consider the cutting technique when working with cement nails. When using a jigsaw for plunge cutting, it is recommended to start slightly inside the marked line to account for the blade's width. Initiating the cut at a slow speed helps maintain control, and it is crucial to let the blade reach its cutting speed before applying steady and even pressure. This controlled approach prevents overcutting and ensures cleaner edges.
Furthermore, it is important to note that plunge cutting through certain materials, such as plywood or laminated surfaces, can result in splintering and tear-out. To minimise this issue, it is advisable to use a fine-toothed blade and apply masking tape on both sides of the cut line. Additionally, cutting with the "good side" of the plywood facing down can reduce the chances of splintering. By following these guidelines and utilising the FANG TIP™ design of Milwaukee's Wood Cutting Sawzall blades, users can achieve rapid and efficient plunge cuts when working with cement nails.
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Bi-metal blades for cutting metal
When it comes to cutting metal, bi-metal blades are a popular choice due to their durability, versatility, and performance. They are designed to cut through various metals, especially hardened or abrasive ones, and can be used in both industrial and residential settings.
Bi-metal blades are composed of two different types of metals bonded together. The blade's body is typically made of flexible and durable spring steel, providing the necessary flexibility. On the other hand, the teeth or cutting edge are crafted using high-speed steel (HSS) or a cobalt alloy, which offers exceptional hardness, heat resistance, and wear resistance. This combination of metals allows bi-metal blades to deliver clean cuts and have extended blade life.
The HSS teeth on bi-metal blades are ideal for cutting tough materials such as stainless steel, alloy steel, and non-ferrous metals. They maintain their sharpness for extended periods, making them well-suited for metalworking industries and fabrication processes. Blades with cobalt teeth take this a step further by enhancing heat resistance and hardness, enabling cutting through even more challenging materials like hardened steel and titanium.
Some bi-metal blades are also designed with carbide teeth, providing exceptional durability and cutting efficiency. Carbide is an extremely hard and wear-resistant material, making these blades perfect for cutting abrasive materials like ceramic tiles, fibreglass, and laminates. They find common use in construction, woodworking, and remodelling projects.
Compared to high carbon steel blades, bi-metal blades offer superior durability and longevity. While carbon steel blades are inexpensive, they dull quickly and are not recommended for heavy-duty applications. Therefore, for cutting metal, especially cement nails, bi-metal blades are a more effective and long-lasting choice.
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Frequently asked questions
The Wrecker™ with NITRUS CARBIDE™ is a multi-material blade that can cut through wood with nails and screws, roofing material, plaster and drywall, rigid conduit, and black pipe. The Fang Tip™ design allows for rapid plunge cutting into wood.
The TORCH™ is a metal-cutting blade that can cut through thin metals and tough cast removals. The Nail Guard™ feature combines an aggressive 5 TPI pattern for faster cutting and protects against tooth fractures.
When cutting through cement nails, it is important to use a quality bi-metal blade. Finer pitch teeth will help, with 16-24 TPI being ideal. Slowing down the speed when cutting through steel will also help to preserve the blade.
