Features
- Engineered with cobalt infused tungsten carbide to extend cutting life
- Laser cut vibration dampening slots to minimize heat and noise
- Ideal for dry metal cutting
- Cuts cooler for immediate handling and reduced downtime
- Designed to provide clean cutting and a burr-free finish
- Eliminates secondary operations, saving time and money
- No extreme heat buildup preserves blade life
- No lubricant required, reducing mess and saving time
Specifications
| Application | Metal & Stainless |
| Kerf Thickness | 0.063 in |
| Number Of Teeth | 30 |
| Tooth Grind | Alternate Top Bevel (ATB) |
| Composition | Carbide |
| Hook Angle | 0° |
| Arbor Size | 20 mm |
| Size | 5-3/8 |
| Diameter | 5-3/8" |
| Length | 8.46 in |
| Weight | 0.39 lb |
| Height | 0.2 in |
| Width | 6.93 in |
| Thickness | 1/16" - 3/16" |
| Material Composition | Carbide |
| Material Application | Metal |
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This circular saw blade is designed for cutting metal and stainless steel. It features a hand-tensioned alloy steel body that enhances durability and cut quality.
Model Number: 48-40-4070
Milwaukee Metal Cutting Circular Saw Blade Review
The Milwaukee Metal Cutting Circular Saw Blade, model 48-40-4070, has proven itself to be a robust and reliable tool in my workshop. As someone who frequently works with various metals, I was keen to see how this blade would handle different materials, and it did not disappoint.
Design and Build Quality
The first thing that struck me about this blade is its construction. Milwaukee has engineered it with cobalt-infused tungsten carbide, which significantly extends its cutting life. This feature is particularly beneficial for those of us who find ourselves cutting through tough materials regularly. The hand-tensioned alloy steel body of the blade enhances its durability, ensuring that it maintains its integrity and performance over time.
The blade also features laser-cut vibration dampening slots. These slots are not just a marketing gimmick; they noticeably reduce vibration and noise during operation. This makes for a more comfortable and precise cutting experience, especially when working on detailed projects.
Performance
When it comes to cutting performance, this blade excels. I tested it on a variety of metals including steel, aluminum, and angle iron. The blade sliced through these materials effortlessly, producing clean, burr-free cuts. One of the standout features is its ability to cut cooler than other blades I've used. This not only makes the material easier to handle immediately after cutting but also reduces downtime, as there is no need to wait for the blade to cool down.
The 30 teeth on the blade are designed with an Alternate Top Bevel (ATB) grind, which contributes to its clean cutting capabilities. The cuts were precise, and I didn't have to deal with the secondary operations often required to clean up rough edges. This is a significant time-saver, especially on larger projects.
Usability
One of the most impressive aspects of this blade is its versatility. It's ideal for dry metal cutting and doesn't require any lubricant. This reduces the mess and saves time, making it a convenient option for both small and large-scale projects. The blade's 0° hook angle and 20 mm arbor size make it compatible with a wide range of saws, although it's essential to ensure that your saw operates at the recommended maximum rotational speed of 2000 RPM. Exceeding this speed can compromise the blade's performance and safety.
I also appreciated the blade's kerf thickness of 0.063 inches, which strikes a good balance between cutting speed and material removal. It’s thick enough to provide stability during cuts but not so thick that it wastes material.
Durability
Durability is another area where this blade shines. After numerous cuts through various metals, the blade remained sharp and showed minimal signs of wear. This longevity is a testament to the quality of the materials and craftsmanship that Milwaukee has put into this product. The carbide teeth are securely attached and maintain their sharpness, even after extensive use.
Practical Considerations
While this blade is a powerhouse, there are a few practical considerations to keep in mind. First, it's crucial to match the blade with a saw that operates at or below the recommended RPM. Many standard miter and chop saws exceed this speed, which could lead to unsafe conditions and reduced blade life. If your saw doesn't meet these specifications, you may need to look for a compatible model or consider using this blade with a different saw.
Another point to consider is safety. Given the blade's efficiency in cutting through metal, it produces metal shavings that can be hazardous. Always wear appropriate safety gear, including safety glasses and gloves, to protect yourself from these shavings.
Final Thoughts
Overall, the Milwaukee Metal Cutting Circular Saw Blade is a top-tier tool that delivers on its promises. Its combination of durability, cutting efficiency, and versatility makes it a valuable addition to any workshop. Whether you're a professional contractor or a DIY enthusiast, this blade will make your metal cutting tasks more manageable and efficient.
I highly recommend this blade for anyone in need of a reliable and long-lasting metal cutting solution. Its ability to produce clean, burr-free cuts, coupled with its robust construction, makes it a standout choice in the market. Just be sure to use it with a compatible saw that meets the recommended RPM specifications to get the most out of this excellent tool.
Project Ideas
Business
Custom Metal Fabrication Services
Offer custom metal cutting services to local businesses and individuals. With the high-quality cuts provided by the saw blade, you can handle a variety of requests, from industrial parts to custom art pieces. This could be marketed to local artists, builders, and DIY enthusiasts.
Metal Home Decor Store
Open an online store specializing in metal home decor items such as signs, wall art, and furniture. The precision of the saw blade ensures that each item is of high quality, making your products stand out in the market.
Workshops and Classes
Offer workshops and classes on metalworking techniques using the metal cutting circular saw blade. Teach participants how to safely and effectively cut metal for various projects. This can be a great way to monetize your skills and knowledge while building a community around metalworking.
Metal Restoration and Repurposing
Start a business focused on restoring and repurposing old metal items. With the clean cuts and precision of the saw blade, you can transform old, discarded metal pieces into new, functional items or art. This can appeal to eco-conscious consumers looking for sustainable decor options.
Collaborations with Local Artists
Collaborate with local artists to create unique metal art pieces. Offer your cutting services and expertise to help them realize their designs. This can lead to a mutually beneficial relationship, expanding your business network and portfolio.
Creative
Custom Metal Wall Art
Use the metal cutting circular saw blade to create intricate designs in metal sheets. These can be used to make custom wall art pieces that can be sold online or at craft fairs. The clean cutting and burr-free finish will ensure high-quality, professional-looking results.
Metal Garden Sculptures
Design and cut various shapes and figures from metal to create unique garden sculptures. These can range from abstract forms to more detailed animal shapes. The durability of the saw blade ensures that you can work on larger projects without frequent blade changes.
Personalized Metal Signs
Create personalized metal signs for homes, businesses, or events. The saw blade’s precision allows for detailed lettering and designs, making it perfect for custom orders. These signs can be a great addition to a home decor or a unique gift option.
DIY Metal Furniture
Build custom metal furniture pieces such as coffee tables, chairs, or shelves. The clean cuts provided by the saw blade will make assembly easier and the end product more aesthetically pleasing. This can be a fun and rewarding project for those interested in DIY furniture.
Metal Jewelry Making
Use the saw blade to cut small, intricate shapes for metal jewelry. Create custom earrings, necklaces, or bracelets. The precision and clean cuts will reduce the need for extensive finishing work, allowing you to focus on the creative aspects of jewelry design.