<b> Features: </b> <br> Incisive edge, thick diamond, wear - resistant, and not easy to defect. <br> Scope of Application: Suitable for drilling in concrete, brick wall, marble, granite and other materials. <br> Suitable for air conditioning drilling, wall drilling coring, range hood drilling, engineering bridge drilling, construction drilling coring, machine room pipe, etc. <br> <br> <b> Specifications: </b> <br> Color: Red. <br> Type: Deep Hole Drill Bit. <br> Total Length: 370mm/14.6inch. <br> Handle Diameter: Standard M22 thread. <br> Shank type: Round handle / Hex shank (16-40mm for round shank, 44-89mm for hexagon shank). <br> <br> Package Included: <br> 1 x Drill Bit. <br> Note: <br> Water Drill: Water must be added in the process of use, and it should be used for core-cutting project. <br>