Electric hammer drill bit and drill what is the difference
The drill blade used for metal cutting, there is a certain angle, inclination, and sharp edge, and the electric hammer drill blade free, the two sides only chamfer
Electric hammer drill head is inlaid in the centre of the hard alloy sheet, and the drill body is made of high speed steel.
The drill is generally the diameter, and the outer diameter of the hard alloy electric hammer drill head is slightly larger than the diameter of the drill body, the tail with different connection forms and hammer also have various shapes, such as square, triangle, spiral etc..
