2024 2.5in Diameter Core Drill Bit 5/811 Thread Wet and Dry Drilling Concrete Hole Opener Efficient Hole Saw Drill Bit

1、Excellent Materials: This diamond core drill bit is composed of premium alloy steel components and excellent diamond abrasive grains with 10.6in drill length ensures longer core life. 2、Standard Thread: Featuring 5/8?11 universal thread this core bit can be easily and quickly assembled to a standard fixed or hand held drill machine which is applicable to various devices. 3、High Performance: The drill bit is designed with chip removal holes highly regular saw teeth and concentric shaft enables high drilling performance while maintaining a long service life. 4、Wet and Dry Drilling: Core drill is available for both dry and wet drilling to suit your job needs a small amount of water can extend the lifespan. 5、Wide Usage: Can be used to drill concrete red brick marble and other materials when air conditioner installation plumbing installation stair railing installation highway and airport etc.