Features:-Suitable for most drilling rigs on the market and a wider range of applications-High-quality screw hole interface is more convenient for loading and unloading drilling machinesPrecision steel pipematrix: the matrix has high hardness and is not easy to deform, and has high wear resistance-Sharp edge: thick diamond is wear-resistant and sharp and not easy to damage, and sharp ness is lighterPrecautions:1. For rhinestones, please add water during use. Fixed or manual drilling rigs are recommended.2. To install the drill bit, first check whether the main shaft is swinging, whether the electrical and mechanical parts are normal, And make sure that the main shaft of the drill bit is tightened and held concentrically when the drill bit is installed. Specification:-Product name:cobalt containing diamond drill bit-Material:45# steel-Color:sliver(as picture)-Size:(optional)160mm/200mm/230mm/300mm/400mm-Product Usage:1. Drilling or core with reinforced concrete and brick walls.2. Air conditioning installation, pipes, road signs.3. Freeway & External Engineering Drilling & Core.-Quantity: 1 PcPackage Included:1x Sharp Water DrillNote:1. The actual colors of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.