4 Wet Diamond Core Drill Bit 2" 3" 4" 5" for Drilling Coring Concrete Brick USA

This wet diamond core drill bit is made of high-quality iron and diamond, which is strong, durable, and not easy to deform. The wave drilling teeth are very sharp, which can achieve fast drilling and save you a lot of time. This product includes four drill bits of different sizes, allowing you to choose the right one according to your preferences and needs, which is very convenient.

• High-quality Diamond: The teeth of this product are made of high-quality diamond, which is very hard and wear-resistant, making them not easy to skew and break with long service life.
• Great Appearance: The green color, as well as the cylindrical shape, makes it look great and more designed.
• Detachable Design: Two bits with a size of 5.1*37cm/2*14inch and 7.6*37cm/3*14inch are detachable at the end, which makes it easy to dig out the waste.
• Multiple Sizes: This product includes four drill bits of different sizes, allowing you to choose the right one according to your preferences and needs, which is very convenient.
• Wave Drilling Teeth Design: The wave drilling teeth are very sharp, which can achieve fast drilling and save you a lot of time. The side gap between the wave drilling teeth is relatively large, which makes the product less likely to jam and easier to take cores.