Dongcheng brand three drill: electric drill, hammer, electric machine, the electric tool not, if there is a how much money
Just a little more than the function of electric hammer. And the drill bits are the same, common. When an electric drill is used, it is necessary to install a drill chuck in front, and the matched twist drill is used.
The hammer function (mainly in concrete, brick and other than the hard ground drilling drilling), when used with the two pit slot two (round four pit) of the electric hammer drill. Our function is on the wall (ground) when the chisel should use two pit slot two (round four pit) the electric drill (flat, sharp, round...)
