The piston is powered by another piston head, and compressed air is the medium for the piston movements. The inner hammerhead is powered by the piston. The drill bit is mounted to the chuck with a special mechanism, and it can freely move forward and backward about 1 inch.
It has been designed to provide more thrust to the drill bit. SDS Hammer drill hammer mechanism Image source: We called this is SDS max hammer drill also. Read more – How Does a Hammer Drill Works These tools are used for different purposes. Hammer drills are named percussion drills also due to their hammering mechanism different. Normally SDS drills are named Rotary hammer drills also. Mechnaism of the Hammer Drill Vs SDS Hammer DrillĬonsidering the hammer drill and SDS drill, both are different. So let’s see what the differences are and why we need to use them separately. Considering the mechanism, there is a difference. SDS hammer drills are used for heavy-duty work such as deep drilling with more diameter bits and special bits like carbide tips.
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The most powerful drills are SDS plus and SDS max, used for heavy-duty work. SDS hammer drills are with a piston based hammering mechanism and hammer drills are with percussion mechanism. Hammer drill is different in its mechanism, usage, hammering power, chuck, and types of drill bits. So let’s see how much extent these are suitable for your tasks. When you need to buy one of these, you should know whether that is essential for your task or suitable for that. These differences are due to mechanism, usage, chuck, and bits. SDS hammer drill and hammer drill are with many differences.