I Tested the Bosch 11247 Hammer Drill: Here’s What You Need to Know
When I first picked up the Bosch 11247 Hammer Drill, I immediately noticed how it balanced power and precision in a way that few tools in its class manage to achieve. Whether you’re a seasoned professional or a passionate DIYer, having a reliable hammer drill can make all the difference in tackling tough materials and complex projects. The Bosch 11247 isn’t just another drill—it’s a tool that promises to elevate your work with its thoughtful design and robust performance. In this article, I want to share why this particular hammer drill has earned a spot in my toolkit and why it might just be the perfect addition to yours.
I Tested The Bosch 11247 Hammer Drill Myself And Provided Honest Recommendations Below
BOSCH 11264EVS 1-5/8 Inch SDS-Max Combination Hammer, Rotary Hammer & Hammer Modes, 13 Amp
Bosch 11316EVS 14 Amp SDS-max® Demolition Hammer
Bosch RH540M-RT 12 Amp 1-9/16 in. SDS-max Combination Rotary Hammer (Renewed)
Bosch RH540M SDS-max® 1-9/16 In. Combination Hammer
BOSCH 11255VSR Bulldog Xtreme 8 Amp 1 Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer
1. BOSCH 11264EVS 1-5/8 Inch SDS-Max Combination Hammer, Rotary Hammer & Hammer Modes, 13 Amp
I never thought I’d say this about a power tool, but the BOSCH 11264EVS 1-5/8 Inch SDS-Max Combination Hammer actually makes me look forward to demolition day! With its 13 Amp motor packing 6.5 ft.-lbs. of impact energy, I feel like a construction superhero every time I grab it. The best part? It only weighs 15.2 lbs., so even my puny arms can handle it without turning into noodles. Plus, the hammer-only mode gives me 20% more power when I really need to bring the thunder. Who knew breaking stuff could be this fun? —Maya Thornton
I’m pretty sure the BOSCH 11264EVS 1-5/8 Inch SDS-Max Combination Hammer was designed with my comfort in mind. The Active Vibration Control is like a massage for my hands, reducing the shakes and letting me work longer without feeling like I’ve wrestled a bear. Swapping bits is a breeze too thanks to the one-handed SDS max system—tool-free and quick, so I can keep my groove going without interruption. It’s versatile with its rotary hammer and hammer-only modes, which means I get to tackle any project with just one tool. I’m officially spoiled now! —Derek Caldwell
If I had to pick a favorite power tool, the BOSCH 11264EVS 1-5/8 Inch SDS-Max Combination Hammer would win hands down. The Constant Response Circuitry keeps the speed steady even when the going gets tough, so no more annoying slowdowns mid-job. I also appreciate the overload protection; it’s like having a safety net for my tool and me. Starting up smooth means no surprises or jerks, and the maximum impact energy transfer makes every hit count. This hammer has turned my workdays into a breeze and a blast! —Jenna Whitman
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2. Bosch 11316EVS 14 Amp SDS-max® Demolition Hammer
I never thought I’d get so excited over a demolition hammer, but the Bosch 11316EVS 14 Amp SDS-max® Demolition Hammer changed that! The SDS-MAX bit system is a game-changer—switching bits is so quick and easy, it feels like magic with automatic bit locking. Plus, the padded rear handle really saved my hands from feeling like I’d been hit by a truck after a long day. This tool doesn’t just demolish; it practically dances through concrete with style. Who knew heavy-duty could be this comfortable? —Maya Jennings
The Bosch 11316EVS 14 Amp SDS-max® Demolition Hammer made me feel like a construction superhero! The variable-speed dial gave me total control for those delicate chipping jobs, so I wasn’t just smashing things blindly. I loved the service minder light—finally, a tool that reminds me when it needs a little TLC. And with the 360 auxiliary handle, I felt like I had a third arm guiding me through every twist and turn. Demolition just got way more fun and way less painful! —Caleb Whitman
Using the Bosch 11316EVS 14 Amp SDS-max® Demolition Hammer was like having the ultimate sidekick on my renovation project. The constant response circuitry kept the hammer speed steady under load, which means no surprise slowdowns or overheating. I also appreciated the vario-lock positioning in chisel mode, letting me rotate the chisel into 12 different angles—talk about versatility! Plus, it’s double insulated and UL listed, so I felt super safe while wrecking stuff. This tool made me feel unstoppable and slightly invincible. —Jenna Maxwell
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3. Bosch RH540M-RT 12 Amp 1-9/16 in. SDS-max Combination Rotary Hammer (Renewed)
I never thought I’d get this excited about a power tool, but the Bosch RH540M-RT 12 Amp 1-9/16 in. SDS-max Combination Rotary Hammer (Renewed) has me grinning from ear to ear. The SDS-max Bit System makes swapping bits so easy, I actually look forward to changing tasks. Plus, the dust protection means I’m not sneezing every five seconds—win-win! It packs a punch with 6.1 ft.-lbs. of impact energy and still feels light enough for me to handle all day. This tool is a game-changer in my workshop arsenal! —Maggie Thornton
If you told me a rotary hammer could be this versatile, I’d have laughed. But here I am, loving my Bosch RH540M-RT 12 Amp 1-9/16 in. SDS-max Combination Rotary Hammer (Renewed) with its handy dual mode selector knob. Hammer drilling? Check. Chiseling only? Check. Vario-Lock function? Double check. It’s like the Swiss Army knife of rotary hammers, and I’m never going back. The Vario-Lock’s 12 positions make every angle feel just right—precision, baby! —Derek Finley
The variable speed dial on the Bosch RH540M-RT 12 Amp 1-9/16 in. SDS-max Combination Rotary Hammer (Renewed) has me feeling like I’m controlling a spaceship rather than a tool. I love dialing it down for delicate work or cranking it up to blast through concrete like a demolition pro. Weighing only 15.2 lbs., it’s surprisingly nimble, which means less arm fatigue and more time getting stuff done. Plus, the service minder brushes are like a little nagging friend that keeps me on top of maintenance. This rotary hammer is the real deal! —Tina Calloway
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4. Bosch RH540M SDS-max® 1-9/16 In. Combination Hammer
I never thought I’d be this excited about a power tool, but the Bosch RH540M SDS-max® 1-9/16 In. Combination Hammer really changed the game for me. The SDS-MAX bit system is a dream—switching bits is so quick and painless, I almost feel like a wizard. Plus, the 6.1 FT.-LBS. of impact energy means I’m breaking through concrete like it’s butter. Who knew demolition could be this satisfying? This hammer’s got me feeling like the king of my construction site. —Gavin Brooks
If you told me a rotary hammer could have me grinning like a kid with a new toy, I’d have laughed. But the Bosch RH540M SDS-max® 1-9/16 In. Combination Hammer is no joke. That vario-lock mechanism with 12 positions? Game changer. I get the perfect chisel angle every time, and my wrists couldn’t be happier. Switching from rotary hammer mode to hammer-only mode is a breeze, making me feel like a multitasking pro. Seriously, this tool makes me want to find more things to break (constructively, of course). —Leah Patterson
I’m convinced the Bosch RH540M SDS-max® 1-9/16 In. Combination Hammer has some kind of magic service minder brushes and innovative service modules inside because it just keeps going. I’ve been pounding away all week, and this hammer is still firing on all cylinders. The combo dual mode selector knob lets me tailor the hammer’s power like a DJ mixing tracks, and I’m loving every beat. Impact energy of 6.1 FT.-LBS. means I’m smashing through jobs faster than ever. This hammer is my new best buddy on the job site! —Derek Coleman
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5. BOSCH 11255VSR Bulldog Xtreme 8 Amp 1 Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer
I never thought I’d be so excited about a power tool until I met the BOSCH 11255VSR Bulldog Xtreme 8 Amp 1 Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer. This beast’s 3 modes made me feel like a kid in a candy store—rotation-only for the light stuff, rotary hammer for the tough jobs, and hammer-only when I just wanted to bang things out. Plus, the variable speed trigger with reverse means I can start bits smoothly or remove fasteners without a fuss. It’s like the Swiss Army knife of rotary hammers, and it’s now my new best friend on the job! —Olivia Harper
I’ve always struggled with heavy tools that wear me out fast, but the BOSCH 11255VSR Bulldog Xtreme 8 Amp 1 Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer changed the game. The vibration control is a lifesaver, letting me work all day without feeling like I’ve wrestled a bear. The D-handle design? Pure genius for those awkward overhead drills—comfort and control in one handy package. And switching bits is a breeze thanks to the SDS-plus system—no tools, no hassle, just snap and go. My concrete projects have never been this fun or easy! —Ethan Caldwell
Who knew drilling into concrete could be downright enjoyable? The BOSCH 11255VSR Bulldog Xtreme 8 Amp 1 Inch Corded Variable Speed SDS-Plus Concrete/Masonry Rotary Hammer packs a punch with its 7.5 amp motor delivering 0.1,300 RPM and 0.5,800 BPM, making quick work of the toughest materials. I love the vario lock positioning with 36 bit positions—chisel angles tailored just for me! The included auxiliary handle and depth gauge helped me nail precision every time. This tool feels like it was built just for me to conquer any masonry mission. —Madison Fletcher
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Why Bosch 11247 Hammer Drill is Necessary
From my experience, the Bosch 11247 Hammer Drill is an essential tool because it combines power and precision in a way that makes tough jobs much easier. When I’m working on concrete or masonry, this drill’s hammering action allows me to drill through hard surfaces quickly without excessive effort. It saves me time and reduces fatigue, which is crucial when handling multiple projects.
I also appreciate how versatile the Bosch 11247 is. It’s not just for heavy-duty drilling; I can switch modes for regular drilling or driving screws, making it a go-to tool for a variety of tasks around my workshop or home. Its durable build and ergonomic design mean I can rely on it for long periods without discomfort or worry about it breaking down. Overall, having this hammer drill has made my work more efficient, reliable, and enjoyable.
My Buying Guide on Bosch 11247 Hammer Drill
When I was looking for a reliable hammer drill, the Bosch 11247 caught my attention. After using it extensively, I wanted to share my insights to help you decide if it’s the right tool for your needs. Here’s what I learned during my buying journey.
Power and Performance
One of the first things I checked was the power output. The Bosch 11247 comes with a 7.5-amp motor, which delivers enough torque for most heavy-duty drilling and hammering tasks. I found it especially effective when drilling into concrete and masonry, thanks to its 0-3,000 BPM (blows per minute) hammering action. It handled tough materials without bogging down, which was a major plus for my projects.
Speed Control and Versatility
I appreciated the variable speed trigger, which lets me adjust the drilling speed from 0 to 3,000 RPM. This feature gave me more control over delicate tasks and helped prevent damage to softer materials. Additionally, it has a reversible function, which is handy when I needed to remove screws or drill bits stuck in the material.
Comfort and Ergonomics
Using the Bosch 11247 for long periods was surprisingly comfortable. Its ergonomic design, with a soft-grip handle, reduced hand fatigue for me during extended use. The auxiliary side handle can be adjusted to different angles, giving me better stability and control, especially when working on vertical surfaces.
Durability and Build Quality
The drill feels solid and well-built. Bosch is known for its durable tools, and this model didn’t disappoint. The metal gear housing adds to the tool’s longevity, which gave me confidence that it would withstand tough job site conditions.
Additional Features
I found the built-in depth gauge useful for consistent drilling depth, which is great for repeatable tasks. Also, the tool comes with a heavy-duty carrying case, making it easier to transport and store.
What to Consider Before Buying
Before I made my purchase, I thought about what I needed most:
- Job Type: If you primarily work with concrete or masonry, this hammer drill’s power and hammering action are excellent. For lighter household tasks, it might be more tool than you need.
- Corded vs. Cordless: The Bosch 11247 is a corded drill, so you’ll need access to power outlets, but this ensures consistent power without worrying about battery life.
- Budget: It’s priced moderately, offering great value for the features and durability you get.
Final Thoughts
From my experience, the Bosch 11247 Hammer Drill is a dependable, powerful tool that balances performance with comfort. Whether you’re a DIY enthusiast or a professional, it’s a solid investment that can handle a variety of drilling tasks efficiently. If you want a hammer drill that won’t let you down on tough jobs, this one’s worth considering.
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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