Suitable for most drilling rigs in the market and a range of applicationsHigh-quality screw hole interface is more convenient for loading and unloading drillsPrecision steel pipematrix: thematrix has high hardness and is not easy to deform and has high wear resistanceedge: thick diamond is wear- and and not easy to be damaged, and the ness isProduct name:water drill bitPrecautions:1. For rhinestones, water must be added during use. Fixed or hand-held 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 that the main shaft of the drill is tightened and concentric when the drill bit is installed.Colour:SilverMaterial:Carbon SteelSize:300mmPackage Contents:1 * water drill bitOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.