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![]() Rotary hammers and combination hammers are used for drilling in hard rock types and for drilling in concrete. The hammer function of rotary and combination hammers is many times stronger than with an impact drill. Below are some tips to buy rotary hammer drill or combination hammer. Difference hammer drill and combination hammer The difference between a rotary hammer drill and a combination hammer is that a combination hammer has a rotation stop and a rotary hammer does not. The advantage of a rotation stop is that if you place a chisel on it, the combination hammer can also be used for light breaking work. For example, you can chisel tiles off your wall. Striking power The impact force of a rotary hammer drill or combination hammer is expressed in 9jabizz website power tools in nigeria. The more Joule, the more powerful the drill. With a powerful drill, you can drill large holes and drill quickly. For the smaller drilling job, for holes from 5 to 22 millimeters in concrete, you need a drill or combination hammer with an impact force of up to 3 J. For the larger jobs, for holes in concrete larger than 22 millimeters, you need a drill - or combination hammer with an impact force of more than 3 J. Cord or battery Most rotary hammer drill and combination hammers have a cord, but they are also available on a battery. With a battery-powered drill or combination hammer, you won't be bothered by cords that get in the way or get tangled, and you have more freedom of movement. However, battery-powered rotary and combination hammers are a lot more expensive. Other features There are also other properties with rotary hammer drill and combination hammers that can be important when making your choice. This way you can look at the maximum capacity in the different materials. The maximum capacity indicates how many millimeters can be drilled in a certain material. Drills and chisels If you have found a suitable rotary hammer drill or combination hammer, you should of course not forget the drills and chisels. For optimal results it is important that you use the right drills and chisels. Rotary and combination hammers are equipped with a drill head with a click system, so that the drill or chisel is better locked in the drill head. Special so-called SDS drills and chisels must be used for this. Tip to buy rotary hammer drill ! Provide a safe working environment when you do odd jobs. Wear protective work clothing, work gloves, safety glasses and a dust cap. This page was created on 2021-12-15 by Rosh Edwardd, members are : 0 member - I like |