DEWALT DW4789 Rim Cutting Blade 4-1/2 Dry/wet

( Brand: Dewalt ), ( Manufacturer Part Number: DW4789 ), ( Part Type: Blade ), ( Blade Diameter: 4.5 )

Review DEWALT 4-1/2 Inch Continuous Rim Dry/wet Cutting Blade

The **DeWalt DW4789 4-1/2" Rim Dry/Wet Cutting Blade** is a high-performance, precision-engineered tool designed to deliver exceptional cutting efficiency in both dry and wet applications, making it an indispensable asset for professionals and serious DIY enthusiasts alike. Engineered with DeWalt s signature durability and innovation, this blade features a robust **4-1/2-inch diameter** rim design, optimized for clean, accurate cuts through a wide range of materials, including masonry, concrete, brick, and stone. The **wet/dry capability** ensures versatility, allowing users to switch seamlessly between dry cutting for dusty environments and wet cutting for reduced dust and extended blade life, particularly when paired with a water supply system. Constructed from **high-quality carbide-tipped metal**, the blade s rim is precision-ground to maintain sharpness and consistency, minimizing wear and maximizing cutting performance over extended use. Its **thin kerf design** reduces material waste while maintaining structural integrity, making it ideal for applications where precision and efficiency are critical. The blade s **balanced weight distribution** enhances stability during operation, reducing vibration and fatigue for the user, while its **compatible fit** ensures a secure attachment to DeWalt s line of angle grinders and cut-off tools. Whether tackling heavy-duty demolition, precise fabrication, or intricate masonry work, this blade combines reliability, performance, and longevity, embodying DeWalt s commitment to professional-grade tooling. Built to withstand the demands of heavy-duty use, the DW4789 is a testament to DeWalt s engineering excellence, offering a dependable solution for those who require both power and precision in their cutting tasks.

The DeWalt DW4789 is a 4-1/2-inch rim-mounted dry/wet cutting blade designed for use with DeWalt s wet/dry cut-off wheels. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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1. **High Quality and Durability**: DeWalt is known for producing high-quality power tools, and the DW4789 is no exception. The blade is designed to withstand heavy-duty use, making it suitable for professional and industrial applications. The rim-mounted design ensures better stability and reduces vibration during cutting.

2. **Versatility**: The blade is labeled as dry/wet compatible, meaning it can be used in both dry and wet cutting conditions. This flexibility is useful for applications where water is used to cool the blade and reduce dust, such as in masonry or concrete cutting.

3. **Precision Cutting**: The blade is designed to provide clean, precise cuts, which is essential for tasks requiring accuracy, such as cutting metal, stone, or tile. The rim-mounted design helps maintain a straight cut, reducing the risk of deviation.

4. **Compatibility**: The blade is specifically designed for DeWalt s rim-mounted cut-off wheels, ensuring a secure fit and optimal performance. This compatibility reduces the risk of slippage or improper installation, which can lead to accidents or poor cutting results.

5. **Long Lifespan**: Due to its robust construction and high-quality materials, the DW4789 blade tends to have a longer lifespan compared to lower-quality alternatives. This can result in cost savings over time, as fewer replacements are needed.

6. **Safety Features**: DeWalt blades are often engineered with safety in mind. The rim-mounted design helps to minimize the risk of blade breakage or shattering, which can be hazardous. Additionally, the blade is designed to work with DeWalt s safety features on their tools, such as the anti-kickback mechanism.

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1. **Cost**: One of the primary drawbacks of the DeWalt DW4789 is its cost. Compared to generic or lower-end brands, DeWalt blades are more expensive. This higher price point may be a barrier for hobbyists or those on a tight budget.

2. **Specialty Use**: While the blade is versatile, it is specifically designed for rim-mounted cut-off wheels on DeWalt tools. If you own a different brand of tool that does not support rim-mounted blades, you may need an adapter or may not be able to use this blade at all. This can limit its usefulness for users with mixed tool brands.

3. **Maintenance**: Even high-quality blades require proper maintenance to ensure longevity. For example, if used in wet conditions, the blade and tool must be thoroughly cleaned and dried to prevent rust or corrosion. Failure to maintain the blade properly can reduce its lifespan and performance.

4. **Availability of Alternatives**: There are numerous other brands and types of cut-off wheels available that may offer similar performance at a lower cost. For users who do not strictly need DeWalt compatibility, these alternatives could be a more economical choice.

5. **Potential for Overkill**: For light-duty or occasional use, a high-end blade like the DW4789 may be overkill. In such cases, a more affordable blade could suffice without sacrificing too much in terms of performance or safety.

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The DeWalt DW4789 is an excellent choice for users who prioritize quality, durability, and precision in their cutting tasks. Its rim-mounted design, dry/wet compatibility, and compatibility with DeWalt tools make it a reliable option for professional and heavy-duty applications. However, its higher cost and specificity to DeWalt tools may not make it the best fit for everyone, particularly hobbyists or those with mixed tool brands.

If you are a professional or an avid user who frequently works with DeWalt tools and requires high performance and longevity, the DW4789 is a worthwhile investment. On the other hand, if you are on a budget or have tools from other brands, you might find that more affordable alternatives meet your needs just as well.

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- You own DeWalt tools that support rim-mounted blades.

- You frequently engage in heavy-duty cutting tasks that require precision and durability.

- You value the brand s reputation for quality and safety.

- You are willing to invest in a blade that will last longer and perform consistently well.

- You are a hobbyist or occasional user who does not need the highest level of performance.

- You have tools from other brands and do not want to limit yourself to DeWalt-specific accessories.

- You are working within a tight budget and can find equally reliable blades at a lower cost.

Ultimately, the decision should be based on your specific needs, budget, and the tools you already own. Always prioritize safety and ensure that the blade you choose is appropriate for the material you are cutting and the conditions in which you are working.

Details:

FREE SHIPPING in the USA only. P/N DW4789, Type: Dry Wet Cutting, Size: 4.5. You are buying on 1 new DeWalt DW4789, 4-1/2 Continuous Rim Dry/Wet Cutting Blade. We Combine Shipping for Multiple Items.

part #: dw4789 prices

• $15.00-$19.98

specifications sawbladeother:

• brand: Dewalt
• mpn: Dw4789
• part type: Blade
• blade diameter: 4.5

shipping sawbladeother:

• cost: $0.00
• type: Calculated
• service: USPS First Class
• carrier: USPS
• transit: 3-7 Days
• class: Standard

returns sawbladeother:

• policy: No Returns

seller sawbladeother:

• city: Chillicothe, Missouri
• rating: 100.0%
• # reviews: 65051

payments sawbladeother:

• other
• credit card: Diners-club
• wallet: Apple-pay

offer sawbladeother:

• sold: 0
• availability: In Stock
• quantity: 2
• options: Ship-to-home
• started: March 18, 2026

general sawbladeother:

• condition: New
• Power Tool Air Tool Accessories > Saw Blades > Other Saw Blades

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