Combination-panel Bit NO18-120 ONISHI

For drilling concrete panels in centering work.Can drill through holes in 2 sheets of 12mm concrete panels(15mm x 2 sheets)The stopper comes into effect once the drill penetrates through.Work Material: Wood.Cutting Diameter (mm):12.0Groove Length (mm):34Total Length (mm):83Shank Diameter (mm):6.35Compatible model: Impact screwdriver(9.6V or more), drill/screwdriver(9.6V or more)Carbon Steel (S55C)