The difference between electric hammer and impact drill

The difference between electric hammer and impact drill

Both impact drills and electric drills are commonly used tools in house construction and home improvement, but laymen still don’t know when to use an impact drill and when to use an electric hammer. Today, the editor will introduce to you the difference between impact drills and electric drills, so that you can learn more.

First of all, one of the differences between an impact drill and an electric hammer is that the impact drill is slower in drilling walls, and it cannot penetrate walls, but it is better than an electric hammer when forging iron and wood.

Impact drills are suitable for use on stone and concrete, and can be rotated or impacted. Electric hammers work by rotating and beating. And its single beating force is also very high. Compared with the impact drill, the electric hammer uses the minimum pressure to drill into some hard materials. It has a cylinder, but the impact drill does not. If you are drilling holes in the wall, it is better to use an electric hammer.

The difference between electric hammer and impact drill

A rotary hammer can be used as a chisel and only does hammering work, while an impact drill has impact and doubles as a drill. The impact drill mainly rotates and has a slight vibration. It can only drill holes in easy places, such as brick walls, while the electric hammer has a strong vibration and can be used on cement walls. The size, weight and power of the electric hammer are larger than that of the impact drill.

Let’s talk about drills first

Drills are roughly divided into twist drills and electric hammer drills (and glass drills, etc., with similar principles).
Twist drills have sharp blades, which drill into objects by rotating cutting motion, and can only drill non-brittle things such as metal, wood, plastic, etc. If you use a twist drill to drill concrete, the blade will become blunt immediately, or even collapse.
The electric hammer drill has no blade, only a 135-degree alloy chisel head, which drills holes by chiseling objects, and rotates to discharge powder and debris, and to chisel out circular holes. This property determines that the electric hammer drill can only deal with objects with high hardness and high brittleness, such as concrete, granite, tiles, etc. If you use an electric hammer to drill wood, it will break the wood.
The impact drill is equipped with a twist drill bit, and when using the electric drill mode, it is a slightly clumsy electric drill. It can drill metal, wood, plastic, and of course the support of the drill bit. The general high-speed steel twist drill bit can handle things other than stainless steel.
The following is the most critical, which is the problem that everyone complains about when the impact drill uses the impact mode: the drilling speed of the wall and concrete is too slow, or it can’t drill at all.
The percussion force of the impact drill is far inferior to that of the electric hammer. When using it, it must be held firmly. As long as it is not cast-in-place concrete, the following common things such as: clay bricks, cement mortar layers, ceramic tiles (not all-ceramic, which need to use glass to open holes) tools) and cement bricks can be drilled in. If it is not easy to drill, you can drill with a small drill bit first, and then change to a larger one.
Drill bits, in my experience, are generally used at home to install plastic expansion screws, 6MM and 8MM, and generally do not need to change the drill bit.
Is there any way to improve the efficiency of the impact drill to drill the wall?

The YG8 alloy twist drill bit drills the wall very quickly. It only takes 1/3 of the time of the electric hammer drill bit, and the brick wall can go in almost at one stroke. Non-all-ceramic tiles only drilled through in a few seconds. At that time, I wondered why the twist drill was not worn out? Later, I checked the Internet and found that YG8 alloy has super high hardness and toughness. In addition, the edge of this alloy twist drill is not as sharp as conventional twist drills, so it is not easy to wear. Gouging, as well as cutting, can be said to combine the dual advantages of twist drills and electric hammer drills! And the edge of this drill bit is very flat, drilling holes on tiles is comparable to a glass hole opener, and it will never break tiles! I thought to myself, can I drill cast-in-place concrete, but the result is a failure, I can’t drill! This is the weakness of impact drills.