The impact of drilling and hammer in the shape of what is the difference
Due to the impact force hammer vibration worse, it is special square or round drill bit handle have card slot, drilling fixture instead of the general impact drill three jaw screw thread pressing. Because this kind of clamping chuck does not need to be clamped, it is stuck in it, so there is no looseness due to vibration. Because of the difference of the impact force so the hammer can play deeper and larger and more hard work in the plastids.
The main difference between the fixture and drill stem, and then because of the different way of working on the impact on the difference.
