With so many different rotary hammers on the market today it can be hard to know which one is the best and which one offers all the features you will need to complete this job as well as the ones in the future. The great thing about hammer drills, in general, is that they are in fact a drill and a hammer built into one. You will find "rotary" refers to the circular motion a drill provides and the "hammer" is describing the pounding motion of a hammer. The combination of these two actions equals enough power to drill into concrete and other tough surfaces such as this.
A great rule of thumb to start with is to consider what you're going to be using your hammer drill for. If you believe this to be a one-time job, it's probably not worth your money to invest in one. It's better to just rent one if it's for a day or two. On the other hand, if you can see yourself using this tool on a regular basis, investing in one of the higher quality models will be worth your while. Once you make this decision you will then have to decide between corded and cordless as a feature.
Why Rotary Hammer Drill?
Hammer tools are much more violent in their action than a plain Rotary Drill and require the user to wear proper safety equipment such as safety glasses, gloves, dust mask, protective clothing and because of the noise that can be generated, hearing protection.
Like their counterparts, they are available both corded and cordless. Whether you choose a corded or cordless will mainly depend on the normal use you require.
Difference between normal rotary drill and rotary hammer drill
Now that you understand the difference between a normal rotary drill and a hammer drill you'll be able to choose the proper tool for each job and prevent damage to both your tools and possibly yourself. Always wear proper safety equipment when operating power tools and don't forget a dust mask when cutting or drilling masonry, stone or concrete.
Cordless Rotary Hammer Drill
Cordless rotary hammers are far more versatile, flexible and easy to use without having to worry about extension cords and outlets while you're working. The only downfall associated with a cordless drill is making sure you have enough batteries and keeping them charged.
Why go for Cordless one?
If you need to drill multiple holes through thick concrete or masonry a corded drill will normally provide more power than a cordless. On the other side, if an electrical outlet is not available, or you are drilling only a moderate number of holes, then a cordless battery powered hammer drill may be the right choice.
Things to remember while purchasing a Rotary Drill
When you go shopping for your rotary drill consider the materials you'll be drilling, how frequently you'll be using it, and if electricity will be available in the environment that you'll be working. For general around the housework, you might consider a combination drill/driver/rotary drill that can perform all three duties. If you have only a single job you might consider visiting the tool rental department and simply renting a drill for the day or weekend.
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