I'll be the first to admit I know nothing about most specialized power tools, except the ones used in gardening.
Ask me about rototillers, grass shredders, or hedge trimmers, and I can tell you everything about them. But, the minute you bring up a hammer drill or a rotary hammer, I don't know the difference.
My husband doesn't know any better about them, and in any case, isn't fond of my DIY ventures. So, I'm mostly left to my own devices, and every time I need to drill a hole in the concrete wall, I have to call our local builder.
Now, if you have ever tried drilling into concrete walls, you'll know how challenging it is - given the rigid nature of the material.
Hence, it is essential to have the right tool in hand since an ordinary drill will not do the job. To get a better idea about power tools, I went to my neighbor Ted for help. Ted, a self-taught mechanic, knows all about specialized tools, and he was happy to help.
Hi there! I'm Stacy. And today, I will elaborate upon one of the most searched topics - hammer drill vs rotary hammer. So, let's begin.
Hammer Drill vs Rotary Hammer: All You Need To Know
Before delving into their differences, let me highlight the essential features of the two:
Hammer Drill
A hammer drill resembles a basic drill, but it has more torque and can be used for various tasks. This power tool is also known as impact drill or percussion drill and is excellent for drilling into hard surfaces.
It works on the percussion hammering mechanism and has a clutch system that contains two sets of impact gears. These gears produce tiny vibrations and work together to get the chuck to move in and out of the drilling surface.
As the chuck moves forward and backward, the drill bit also starts rotating, thus hammering slightly into the surface it is drilling into. Since a hammer drill is usually cordless, it's easier for me to carry it around and use it for odd jobs around the house.
Besides, it drills faster and is relatively compact, so storage will never be a problem. This tool is ideal if you intend to drill into stone, concrete, or masonry. I also appreciate how versatile it is, serving as both a hammer drill and a conventional drill.
- Cordless hammer drill has 2.1 Joules of impact energy for fast drilling in concrete.
- SHOCKS ACTIVE VIBRATION CONTROL System of DEWALT 20V hammer drill reduces vibration felt by the user at the handles, compared to rotary hammers without this feature.
- Lightweight design makes this DEWALT 20V brushless hammer drill ideal for rod hanging, seismic & safety attachments, cable tray & strut mounting, clamp mounting, and rail mounting.
- [Real Brushless Motor for Enhanced Performance] – The cordless hammer drill features advanced brushless motor technology, output 600W power, delivering no-spark, energy-efficient 70%, minimizes wear and extends the tool’s lifespan.
- [Robust 531 in.lbs Torque] – Delivering an impressive 531 in.lbs (60N.m.) of torque, this hammer drill is designed to tackle a wide range of demanding tasks. Whether drilling into thick brick walls or hard steel, this drill offers the power to complete the job quickly and efficiently.
- [High-Impact Performance with 36,000 IPM] – With an impressive impact rate of 36,000 IPM, this impact drill ensures fast and efficient drilling, making it ideal for use on brick and other tough materials.
Rotary Hammer
The rotary hammer is a highly stylized tool used by professional builders and contractors. It is more powerful equipment than a hammer drill and is used for more heavy-duty jobs.
It is much faster and pounds its way into the concrete wall with a lot of force, and thus can drill bigger holes. Further, a rotary hammer works on a piston mechanism that applies air pressure to drive the bit ahead and create a more impactful hammering action.
A rotary hammer is an essential tool in any construction worker's toolbox. It can be switched to a hammer mode and used for various chiseling tasks such as tile removal, demolition work, and so on.
Keep in mind that this tool is only recommended for drilling holes in stone and concrete since its powerful torque makes it the wrong choice for wood or metal.
- 【POWERFUL MOTOR】 AOBEN electric Rotary Hammer Drill is equipped with 13 Amp (1500W) motor that delivers powerful impact energy to complete heavy duty projects on concrete, Masonry and metal.
- 【EASY TO OPERAT】 Three function modes can be easily switched - hammer only (chiselling-only), hammer drill (hammering and rotation), and drill only (rotation only) . There are double switch buttons to change the functions which can last longer compare with single switch button.
- 【ERGONOMIC DESIGN】 AOBEN Roto hammer drill adopt ergonomic design with Rubber and 360 degree adjust handle provides a comfortable use feeling . SDS-plus hammer drill can guarantee the user’s safety and well designed heat dissipation motor and double anti-dust bottom structure can extend the hammer's use life.
- 【POWERFUL MOTOR】 Our ENRH3201 high-performance electric rotary hammer features a 13Amp industrial motor with 5.5 feet /lbs（7.4 joules) impact energy, making it perfect for heavy duty concrete work. The heat resistant copper wire motor ensures long working periods without overheating. The anti-dust bottom structure extends the lifespan of the hammer. Trust in the power and precision of our rotary hammer to increase your efficiency and enhance your work.
- 【FOUR FUNCTIONS】 Our rotary hammer offers four different functions of drill only mode(suitable for wood, steel , etc.), hammer only mode(suitable for concrete or brick) ,hammer drill mode(suitable for heavy duty work) and chisel position adjustment adapt to variety of work scenarios which are easy to switch. Easily switch between functions using our two different switches. The double function switch design extends the service life by 100% compared to single function switches.
- 【THOUGHTFUL HUMANIZED DESIGN】 For your safety and comfort, we have designed the ENRH3201 with a safety clutch protection to protect your wrist from high torque force. The 360° adjustable handle allows for easy handling in different work scenarios. Our upgraded double layer anti-vibration system effectively reduces vibrations and minimizes fatigue. The PU soft grip handle prevents slipping, ensuring a comfortable and secure grip during use.
Hammer Drill Versus Rotary Hammer
Now that I've briefly defined the two tools let me highlight their differences.
1. Function
Hammer drills work best for light-duty work like drilling holes into masonry, concrete, or wood. It can drill ½-inch to ⅜-inch holes but no bigger. Usually, hobbyists, DIY-enthusiasts, etc., use this tool for odd jobs around the house.
On the other hand, a rotary hammer is more powerful and can drill bigger holes that can go up to 2-inches in diameter. Further, it can pierce through rigid concrete or rebar and is typically used by construction and concrete workers for professional jobs.
2. Ease Of Use
Hammer drills are cordless and easier to work with. They are lightweight, easy to operate, and also work as a regular drill. This makes them a versatile tool and a fantastic choice for amateurs and DIYers like me. I had very little prior knowledge of using a hammer drill, yet I could seamlessly work with it.
Since rotary hammers are professional tools, they are difficult to work with. They usually weigh anywhere between 14 to 18 lbs. and are bulkier than hammer drills. That being said, its working mechanism is relatively smooth, and once you get the hang of it, working with this device will be a breeze.
3. Attachments
Hammer drill bits are pretty similar to the regular bits that you find at local hardware stores. Moreover, they work with an adjustable chunk, and some of the more costly bits come with carbide tips.
On the other hand, rotary hammers use SDS-Plus or SDS-Max bits with carbide tips and a spring-loaded chuck. These bits have grooves that add to the tool's overall efficacy and enable quicker removal of chips.
Furthermore, these bits are pretty easy to insert and remove. Some other popular attachments for rotary hammers include clay spade, which can break up hard soil, tile remover, and scaling chisel that eliminates rust and concrete spatter.
4. Price
Needless to say, hammer drills are relatively inexpensive, as they have limited attachments and are used for light jobs.
On the other hand, rotary drills are used for heavy-duty jobs and are significantly more expensive, so their use is only limited to professionals.
Final Words
With that, it’s a wrap. I hope this guide will help you pick the right power tool the next time you go shopping.
To sum up, if you are looking for a simple tool that will help you drill holes in concrete or stone walls, look no further than a hammer drill. However, a rotary hammer will be perfect for complex tasks such as tile removal and heavy-duty drilling.
Besides, hammer drills are far easier to use if you’re a novice like me. That being said, be careful while drilling into concrete and keep all safety precautions in mind.
That’s all for today. Until next time, take care!