![]() However, if the rotary hammer should strike a harder surface, such as reinforced metal for example, then it could be jammed and require special tools to remove the bit. This is because the material being punched through tends to fall apart into small bits that are removed through the drill bit itself. Tool in Picture: Bosch 11255VSR – Click to See Priceīecause of how the hammering action breaks up the masonry or concrete, jams are infrequent. While most are drills designed to create small holes, there are other bits that are chisel-shaped to chip away at specific areas. It also depends on the type of drill bit that was used in the hammer itself. The primary use of a rotary hammer is to punch holes in concrete to allow for the passage of wires, cables, bolts, and other materials as may be needed for a specific job. So, you will need to evaluate the job first, then go out and get the right power tool for you. This will be based on the size of the holes you need to be drilled into the concrete. The addition of these chucks makes an SDS rotary hammer even more powerful, durable, and versatile in terms of what can be attached.īecause a rotary hammer has a range of uses, it is important that you select the right size for your needs. 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.
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