What’s a hammer drill?

A hammer drill is a tool for drilling holes in harder types of stone and solid concrete. It is used where the percussion drill is pushed to its limits. This means that the powerful tool must not be missing on any construction site. But also in the private use around the household, if sometimes a few building measures result, drill hammers are again and again a grateful tool.

Really small power packs!

The small power packs have their origins in tunnelling and mining in the 19th century and are therefore so powerful. You don’t have a real opponent and every material, no matter how massive, gives way to its power – whether you want to work on walls, walls or other materials.

What do you do with a hammer drill?


The hammer drill can be used to drill box settlements, dowel holes and anchorages professionally into hard steel walls. Especially when the percussion drill reaches its limits due to too hard material, the hammer drill convinces with its full strength. This is often the case in older prefabricated buildings, where no progress can be made without a hammer drill. A suitable drill collar is also available for hammer drills.

Drill hammer means work facilitation

For every do-it-yourselfer who wants to shine with a well-equipped workshop, the hammer drill is an integral part of his equipment. With the hammer drill, you can drill and drill in a targeted manner – no matter how hard the concrete wall is. The machine is characterised by the fact that it works very solidly and efficiently with a comparatively low background noise. This is mainly due to the low contact pressure and the lower speeds. The clou about this is that the hammer drill does not have to be pressed so hard against the wall when in use, and you as a users thus have to muster much less strength. That is why they are also ideal for overhead work.

What should I bear in mind when buying a hammer drill?

A hammer drill is a valuable addition to your tool park if you want to tackle heavy steel and concrete walls. Aside from critical performance features, you should make sure that the drill handle is ergonomically shaped, made of soft rubber and vibration-absorbing so that the tool lies comfortably in the hand. Weight is just as important. Don’t make life here unnecessarily difficult for yourself! If you are working overhead, you will regret your decision to buy. It is said that particularly low-priced devices have a higher weight than branded products.

Be critical: How often will you use the machine?

Those who will often use the hammer drill should therefore invest in tools that are as light as possible. You should also know in advance what you primarily want to work with the hammer drill and how often the machine is likely to be used. As an occasional user, it might be all the more advisable for you to invest in a machine where you can switch off the hammer mill and use it as a regular drill. So you would have killed two birds with one stone? A hammer drill with battery operation is also suitable for occasional use.

It can also be used all the more flexibly because it is not tied to an external power supply. The good thing is that today’s batteries are very powerful and you can drill many holes without any problems. Especially if you have many battery-operated tools such as cordless screwdrivers, a cordless hammer drill fits perfectly into your inventory. In addition, many batteries surprisingly, a variety of devices fit. So you should always have an already charged battery at hand. If it is to be the variant with an external power supply, make sure that the cable is long enough – at least three metres are recommended here – so that you do not get in the way of your work.

Technical subtleties

The design of the percussion mechanism is important, it should be made of solid material so that it can perform its application without damage. However, the construction should not be too massive, as this would be of consequence and would affect the use of the hammer drill afterwards. A very important characteristic that your hammer drill should have is the best possible impact effect of at least 5000 beats per minute, which is even adjustable in the best case.

How does a hammer drill work?

A hammer drill sends impact impulses which wear down the massive material and with the help of a rotary movement the material is broken out. The machine therefore works according to a different impact principle than the impact drill. About 5000 strokes per minute are produced – less than in the case of a percussion drill – but the intensity of the strokes is all the higher here and they are executed all the more powerfully.

The impact principle of the hammer drill

As the name suggests, the hammer drill hits the wall. Inside the tool there is a pneumatic percussion mechanism, which produces the so-called drill chuck impact. As a result, a much stronger impact is transmitted to the drill tip, the hammer drill is driven into the wall with ease and the material ultimately exhibits very fine grain fragmentation. In addition to the pneumatic hammer drills, there are also hydraulic hammer drills. The difference between the two is that the pneumatically driven machine weighs less. and is therefore more suitable for private use. The hydraulic hammer drills, on the other hand, are more likely to be used by construction companies on the construction site because they generate a high noise level.

What designs are there and what distinguishes them?

If you want to buy the Porsche under the hammer drills, you should make sure that its design has two gear stages and a so-called rotation stop device. What are two gear stages for? In the first course you can slowly drill large holes, in the second course small holes are drilled with higher speed. The speed is what counts here, because it allows you to achieve even more precise drilling results. The turning stop device enables you to carry out light chiselling work, such as chiseling slots.

Before buying, it is worth comparing different dealers and devices. Sometimes hammer drills can also be purchased with a useful accessory case. This greatly increases the added value of your machine.

advantages and disadvantages

A big advantage of the hammer drill is that it actually has no real opponent – no matter how hard the wall is, the power pack is precise and safe to use. And the best thing about it is that it works comparatively quietly due to the low contact pressure and its low speeds. Equally advantageous is the fact that copies with efficient striking mechanism can be operated with very little effort. If you decide on a machine where you can switch off the hammer mill and use it as a regular drilling machine, the world of craftsmanship is open to you because you can carry out numerous tasks with the machine – and the purchase pays off. In addition, hammer drills are tools that have been purchased once, proven to be durable working tools. …and I’ll show you.

A disadvantage for the purchase of a hammer drill is that it is a relatively expensive piece of equipment, which can be missed in your machinery, as the work can often also be carried out with other tools – albeit less conveniently. Some do-it-yourselfers complain, however, that the precise handling and control of the drill tip is difficult to perform due to the strong hammer blows and the resulting vibration.

bottom line

The hammer drill is a useful tool if you often have to deal with steel-hard walls. For sporadic use, it is just as useful to carry out the application with an existing tool – even if the operation requires more force. So before you buy, you should go inside yourself and be honest with yourself: How often will the use of a hammer drill actually be necessary? If you choose him, then you are sure to have a very reliable and effective tool, which will definitely enrich your tool park and make your work a lot of fun.

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