What Is a Rotary Hammer Used For? Complete Guide

A homeowner starts a bathroom renovation, armed with a regular hammer and chisel to remove tiles. Hours later, the job is still unfinished, and frustration takes over. Then comes the rotary hammer—a tool that makes the same work possible in minutes.

This power tool isn’t limited to one job. From drilling anchor holes in reinforced concrete to chiseling channels for plumbing, a rotary hammer is designed for tasks that standard drills and hand tools can’t manage. It’s the reason construction crews and serious DIYers consider it a must-have.

The demand for such tools is growing rapidly. The global power tools market is expected to surpass $43 billion by 2027 (Statista), with rotary hammers playing a major role in construction and renovation. Another industry report shows that over 65% of professional contractors choose rotary hammers for masonry work due to their speed and efficiency.

So, what is a rotary hammer really used for, and why does it outperform other tools in tough jobs? Let’s explore its most common and practical applications.

What Is a Rotary Hammer Used For?

A rotary hammer is a heavy-duty power tool built for drilling, chiseling, and demolition work in materials like concrete, stone, and brick. Unlike a standard drill, which relies only on rotation, a rotary hammer adds piston-driven hammering action. This combination allows it to penetrate and break down tough surfaces that would otherwise resist normal drilling.

The tool is commonly used in construction, renovation, and repair projects where high impact energy and durability are required. Whether you are installing anchors in reinforced concrete or removing old tile, a rotary hammer delivers the force and speed needed to complete the job efficiently.

Its multiple modes—drill, hammer drill, and chisel—make it one of the most versatile tools in any professional or DIY toolkit.

Primary Uses of a Rotary Hammer

A rotary hammer is valued for its ability to handle tasks that other tools struggle with. Its power and versatility make it a common choice across construction, renovation, and DIY projects. Below are its primary applications.

Drilling into Concrete and Masonry

Rotary hammers excel at creating holes in hard materials such as concrete, brick, and stone. They are used for installing anchors, running rebar connections, or setting heavy-duty fixtures. Regular drills often fail here, while rotary hammers complete the task quickly.

Tile and Floor Removal

In chisel mode, a rotary hammer can remove tiles, flooring, or old mortar with ease. This makes it one of the most efficient tools for bathroom and kitchen renovations where surface removal is necessary.

Demolition Work

Rotary hammers are often used to break apart concrete slabs, asphalt, and brickwork. While a jackhammer is needed for very large jobs, rotary hammers are perfect for small to medium demolition projects.

Channeling for Wiring and Plumbing

Electricians and plumbers use rotary hammers to cut channels in walls and floors. These channels make it easier to install wiring conduits or water lines neatly and efficiently.

Large-Scale Construction Applications

On construction sites, rotary hammers are used in projects like bridges, tunnels, and foundations. Heavy-duty SDS-Max models are particularly effective in industrial-scale drilling and anchoring.

Rotary Hammer vs Other Tools

Many people confuse rotary hammers with other drilling tools, but there are key differences that set them apart. Understanding these differences helps in choosing the right tool for the job.

Rotary Hammer vs Hammer Drill

A hammer drill uses a mechanical clutch that adds a light hammering effect to its rotation. It works well for small holes in brick or light concrete. A rotary hammer, on the other hand, uses a piston-driven mechanism that delivers stronger and deeper strikes. This makes it far more effective for drilling large holes in reinforced concrete and heavy masonry.

When should you use a hammer drill?
For small household jobs such as hanging shelves on a brick wall.

When should you use a rotary hammer?
For professional-grade tasks like anchoring steel beams or drilling multiple large holes in concrete.

Rotary Hammer vs Impact Driver

An impact driver is designed for fastening screws and bolts, not drilling into stone or concrete. It delivers bursts of rotational torque rather than forward hammering force. A rotary hammer is built for breaking and drilling, making it the tool of choice for masonry projects.

When should you use an impact driver?
When driving long screws into wood, metal, or other construction materials.

When should you use a rotary hammer?
When tackling hard materials like concrete or stone where screw-driving is not the goal but penetration and breaking power are essential.

Advantages of Using a Rotary Hammer for These Jobs

A rotary hammer stands out because it combines efficiency, power, and versatility in one tool. The benefits are clear when compared to using standard drills or manual methods.

Saves Time and Effort

Rotary hammers can drill or chisel through concrete in minutes, a task that might take hours with less powerful tools. This efficiency reduces labor time on both small DIY tasks and large construction projects.

Versatility of Multiple Modes

With settings for drilling, hammer drilling, and chiseling, one tool can handle a wide range of jobs. From mounting shelves to removing tiles, the rotary hammer adapts to different situations.

Professional-Grade Results

Because of their power and design, rotary hammers produce cleaner holes and more effective chiseling compared to regular drills. This ensures that anchors fit securely and demolition is precise.

Less User Fatigue

The piston-driven hammering system does most of the work, meaning users don’t need to apply excessive force. Many models also feature vibration control technology, which further reduces strain during long sessions.

Durability for Demanding Work

Rotary hammers are built to withstand continuous heavy use. Their reinforced design makes them last longer than standard drills when working on hard surfaces.

Types of Rotary Hammers and Their Uses

Rotary hammers come in several variations, each designed to meet different needs. Choosing the right type depends on the size of the project, the materials being worked on, and how frequently the tool will be used.

Corded Rotary Hammers

Corded rotary hammers are known for their consistent power supply. Because they run directly from electricity, they deliver steady performance for long durations. Contractors prefer them for continuous drilling or chiseling on job sites. The main advantage is unlimited runtime, which is crucial when tackling large-scale construction tasks like drilling anchor holes in reinforced concrete. However, the cord limits mobility, and users need access to a power source at all times.

Best suited for:

• Heavy-duty construction projects
• Continuous drilling sessions
• Jobs that demand sustained power without interruptions

Cordless Rotary Hammers

Cordless rotary hammers run on rechargeable lithium-ion batteries. These models provide freedom of movement, making them ideal for work in places where power outlets are unavailable, such as rooftops, outdoor installations, or remote construction sites. Advances in battery technology have made cordless hammers more powerful, with some rivaling corded models. Their limitation is shorter runtime, although carrying spare batteries can solve this issue.

Best suited for:

• Renovations in tight or outdoor spaces
• Quick jobs requiring mobility
• DIY users who prioritize convenience

SDS-Plus Rotary Hammers

SDS-Plus models are lighter and more compact, designed for medium-duty drilling. They typically handle holes up to about 1 inch in diameter. This makes them perfect for homeowners, electricians, or plumbers who need a reliable tool for anchors, wiring channels, and small demolition tasks.

Best suited for:

• Home renovation projects
• Drilling holes in brick and light concrete
• Light chiseling work

SDS-Max Rotary Hammers

SDS-Max models are heavy-duty machines built for industrial applications. They accept larger bits, deliver higher impact energy, and are capable of drilling large holes or breaking thick concrete slabs. These tools are heavier, more expensive, and usually corded, but they are indispensable for professionals handling demanding construction work.

Best suited for:

• Industrial-scale drilling and demolition
• Foundation work in concrete
• Large construction sites and bridge projects

Choosing the Right Type

• DIY or occasional users: A cordless SDS-Plus rotary hammer is the most practical choice. It balances power, portability, and affordability.
• Contractors and heavy-duty users: A corded SDS-Max rotary hammer is better suited because it offers higher power output and can withstand continuous use.
• Mixed needs: Professionals who work in different environments may keep both cordless and corded models to switch depending on the project.

Safety Precautions While Using a Rotary Hammer

Rotary hammers are powerful tools that require safe handling. Following safety measures protects both the user and the tool.

Wear Protective Gear

Always wear safety goggles to guard against flying debris. Use ear protection and a dust mask when drilling concrete.

Control Dust Hazards

Concrete dust contains silica, which is harmful when inhaled. Attach a dust extraction system or use a compatible vacuum.

Maintain Proper Grip and Stance

Hold the tool with both hands to manage vibration and recoil. Keep your feet balanced for stability during operation.

Inspect the Work Surface

Check walls and floors for hidden wiring or pipes. Striking these can cause accidents or damage.

Follow Manufacturer Guidelines

Use bits recommended by the manufacturer. Apply lubrication and correct settings for safe and efficient operation.

Cost and Buying Guide

Rotary hammers come in a wide price range, depending on features and power. Buyers should consider both budget and project needs before purchasing.

Average Price Ranges

Entry-level models start around $100 to $150. These are suitable for light DIY use and occasional drilling.

Mid-range options cost between $200 and $400. They balance power, durability, and features for frequent use.

Professional-grade tools are priced from $500 and up. These heavy-duty machines are designed for continuous industrial applications.

Popular Brands

Bosch, Makita, DeWalt, and Hilti dominate the rotary hammer market. Each offers models tailored to different levels of use.

Hilti is known for premium tools with maximum durability. Bosch and Makita are often favored for reliability and cost-effectiveness.

Features to Look For

Variable speed control improves accuracy in different materials. Anti-vibration systems reduce user fatigue during long sessions.

Dust extraction compatibility helps keep the workspace clean. Multi-mode operation ensures versatility for drilling and chiseling.

Best Choice for Different Users

Homeowners benefit from cordless SDS-Plus models. These are lighter, easier to handle, and portable.

Contractors should choose corded SDS-Max models. Their continuous power and heavy-duty performance suit demanding projects.

FAQs About Rotary Hammer Uses

1. What is a rotary hammer mainly used for?
It is used for drilling, chiseling, and breaking hard materials like concrete, brick, and stone. These tasks are difficult or impossible with regular drills.

2. Can I use a rotary hammer for wood?
Yes, but only in drill-only mode. A standard drill is better suited for wood projects.

3. Is a rotary hammer good for removing tiles?
Yes, its chisel mode is perfect for tile and floor removal. This makes it popular for bathroom and kitchen renovations.

4. Can it replace a hammer drill?
Not always, because hammer drills are lighter and better for small jobs. Rotary hammers are designed for heavy-duty masonry.

5. Is a rotary hammer useful in demolition?
Yes, it can break bricks, asphalt, and small concrete slabs. For larger demolitions, a jackhammer is still needed.

6. Do I need special bits for rotary hammer use?
Yes, it requires SDS or SDS-Max bits depending on the model. Regular drill bits are not compatible.

7. Can I use it for drilling anchor holes?
Yes, this is one of its most common uses. It creates clean, deep holes for heavy-duty anchors in concrete.

8. Is it suitable for DIY home projects?
Yes, especially when renovating or drilling into brick walls. For light tasks, it may feel heavier than necessary.

9. Can I cut channels for wiring with a rotary hammer?
Yes, electricians often use it to chisel clean channels in concrete walls. This makes cable management faster and easier.

10. Does a rotary hammer work on metal?
It can drill through metal in drill-only mode. However, a regular drill is more efficient for this task.

11. How deep can a rotary hammer drill?
SDS-Plus models can drill holes up to about 1 inch in diameter. SDS-Max models handle much deeper and wider holes.

12. Can it be used for breaking asphalt?
Yes, rotary hammers with high impact energy can break asphalt layers. This is useful in roadwork and repairs.

13. Is it portable for outdoor use?
Cordless rotary hammers are very portable. They are useful in areas without access to power outlets.

14. Do professionals prefer rotary hammers?
Yes, contractors use them in large-scale projects because of their speed and efficiency. They are reliable in demanding environments.

15. Is it worth buying if I only need it occasionally?
If you rarely work with masonry, renting might be better. But frequent users will benefit from owning one.

Conclusion

A rotary hammer is more than just a drill. It is a versatile power tool built for drilling, chiseling, and breaking through materials that standard tools cannot handle.

From installing anchors in concrete to removing tiles or creating channels for wiring, its applications cover both DIY and professional projects. With multiple modes and unmatched impact power, it saves time and delivers precise results.

Whether you choose a compact SDS-Plus for home renovations or a powerful SDS-Max for construction, investing in the right rotary hammer ensures efficiency and durability. It is a tool that pays off in both convenience and performance.

If your next project involves concrete, stone, or brick, consider adding a rotary hammer to your toolkit. It might be the difference between hours of frustration and minutes of smooth progress.