2.5in Diameter Core Drill Bit 58?11 Thread Wet and Dry Drilling Concrete Hole Opener Efficient

Feature: 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 58?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. Specification: Item Type: Diameter Core Drill Bit Material: Alloy Steel, Diamond. Package List: 1 x Diameter Core Drill Bit1 x Positioning Drill Bit1 x Hex Wrench1 x Saw Blade1 x Washer Note: Please allow slight size error due to manual measurement. Thanks for your understanding.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. Standard Thread: Featuring 58?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. 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. 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. 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.