Material :SMD 25 , SMD 30 
good quality cut for Marble ,glass etc.

Material :40CR+ SMD 25 , SMD 30
size:from 3mm-125mm
packing: blister packing or plasitc box

• Product details
•  
• Sharp cutting and long lasting
• Provide good strength and great wear resistance
• Diamond dust hole saw with shank
• Set is ideal for drilling clean and accurate holes
• Diamond coating provides superior performance and life
• Sizes: from 3mm to 125mm
• Excellent Results in Glass, Marble, Slate, and Tile

Website: http://bestwintools.en.made-in-china.com
            

We invite you to join us and establish long-term cooperative relationship in future!