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The dewalt DX3781 is a high-performance segmented diamond blade designed for aggressive dry cutting in concrete, brick, block, and other masonry materials. Engineered with a durable heat-treated steel core and laser-welded segments, it ensures long-lasting reliability and reduced vibration.

Key features:  
- diameter: 230 mm (9")  
- bore size: 22.2 mm  
- rim type: segmented diamond  
- core: low-carbon heat-treated steel  
- cutting mode: dry use (no water required)  
- ideal for: concrete, block, paving, masonry  
- durability: diamond-edge matrix offers up to 200x lifespan of standard blades  
- vibration/heat control: improved performance due to segmented design  

 

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