The original SDS design is now mostly replaced by SSD plus and there is even a SDS max version that is suitable for bigger SDS chuck. The SDS allows for greater grip and works well with the hammering action. The spade can be used for digging into floors or other hardened surfaces. You may have seen an SDS rotary hammer on large construction or demolition sites with unusual-looking bits that include scaling chisels, cold, tile, or even large clay spades which resemble shovels at the end of the drill.
The major difference is that a rotary hammer with an SDS chuck allows you to attach SDS bits designed for better results when using the hammer function. Here you have slots at the shank of the drill instead of plain round shank that is found on regular bits.
The term SDS stands for Slotted Drive System. The difference between a standard hammer drill and a a rotary hammer equipped with SDS is subtle but important. This is because a percussive force is needed to break apart the looser concrete and masonry material to allow for clean holes to be created. The breaking-up action is not widespread, it is confined to the area that is being drilled. The hammering action allows for the bits and dust particles generated to be expelled from the material through the flutes of the drill bit itself. Or a combination hammer that can either break up concrete or drill holes into it.Ī typical rotary hammer is used on concrete and masonry surfaces. A rotary hammer should not be mistaken for a demolition hammer which is specifically designed to break up concrete into smaller pieces. The rotary hammer is the perfect tool for drilling into hard materials such as concrete because it can effectively punch holes without tearing the material all up. You can use a rotary hammer to drill with hammering motion, drill only mode, and hammer only mode to use with chisel bit for demolition work.They are equipped with SDS chucks that allows the drill bit to move in-and-out.It is a heavy duty tool with pulsating hammering blows at the end of the drill.
#ROTARY HAMMER DRILL DRIVER#
So, as the drill goes into the concrete the pulsing action of the rotary drill breaks the material apart at the same time.Ī rotary hammer drill has three key features when compared to a drill driver or hammer drill. However, unlike a standard cordless drill that simply spins the drill bit into the material, this power tool uses a hammering action designed to break up concrete. But what is a rotary hammer? How can it be used? How is it different than a hammer drill and what makes it such an important tool for your toolbox? What is a Rotary Hammer Drill?Ī rotary hammer operates in much the same fashion as a drill. For remodeling and construction work, one of the best tools is the rotary hammer. But with so many tools on the market, it can be difficult to choose the right one for your needs. You need the right tool for the right job.
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