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🔨 Own the jobsite with Bosch’s powerhouse combo hammer—where precision meets unstoppable force.
The Bosch RH540M SDS-max® Combination Hammer is a professional-grade rotary hammer delivering 6.1 ft-lbs of impact energy with a lightweight 15.2 lb design. Featuring a variable speed motor (170-340 RPM rotary, 1,200-2,750 BPM hammer), SDS-max tool-free bit changes, and a 12-position Vario-Lock chisel angle, it offers unmatched versatility and efficiency for concrete and demolition work. Dual mode selector and service minder brushes ensure optimal performance and maintenance, making it a durable, high-impact tool favored by contractors and remodelers.


























| ASIN | B00HUCUJG6 |
| Additional Features | Variable Speed |
| Amperage | 12 Amps |
| Best Sellers Rank | #169,704 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #75 in Power Rotary Hammers |
| Brand | Bosch |
| Brand Name | Bosch |
| Color | Black |
| Customer Reviews | 4.6 out of 5 stars 481 Reviews |
| Drilling Capacity Metal | 12.7 Millimeters |
| Global Trade Identification Number | 00000346456127 |
| Included Components | -- Other -- |
| Is Electric | Yes |
| Item Dimensions L x W x H | 19"L x 4"W x 10.5"H |
| Item Type Name | Corded Rotary Hammers |
| Item Weight | 15.2 Pounds |
| Manufacturer | BOSCH |
| Manufacturer Part Number | RH540M |
| Manufacturer Warranty Description | Limited 1 Year |
| Material Type | Metal, Plastic |
| Maximum Chuck Size | 13 Millimeters |
| Maximum Power | 850 Watts |
| Maximum Rotational Speed | 340 RPM |
| Maximum Torque | 6.1 Foot Pounds |
| Model Number | RH540M |
| Number of Speeds | 2 |
| Power Source | Corded Electric |
| Speed | 340 RPM |
| Torque | 6.1 Foot Pounds |
| UPC | 000346456127 |
| Unit Count | 1.0 Count |
| Voltage | 120 Volts |
D**.
A mans tool...
This is a tough tool. It's a bit heavy so little guys will get tired quick. This is a mans tool and it fits the bill. Bits are easy and quick. Has plenty of torque. The hammer is adjustable and works in various positions. It is pricey but it expect this tool to last. Took out tile on a wood floor with mesh in less than an hour on 80sq ft. Drilled nine 1" holes in concrete and didn't have any issues.
V**R
Amazed
Not only was Fast and easy it was beyond what I expected. My chipping hammer worked perfectly and it arrived the very next day extremely happy I would not hesitate to purchase any more tools for Amazon because of this experience.
K**I
Meet the Mini Jackhammer
This Bosch tool is a beast, and I mean that in the most flattering of terms. When I first removed it from the box and hefted it I thought, this thing is heavy and big, and operating it is gonna be very difficult, and tiring. Thankfully my assessment was way off. I simply inserted the 3” chisel bit, placed it strategically on the surface I was working on, and IT did the work, ripping up large slabs of backer board, tile included!! It made what I thought would be a long and arduous project into a 1 day deal. It’s the best power tool I’ve ever used. Period.
L**Y
SDS drill
Good quality
W**L
Works great, small flaws
Works great, plenty of power. Only downside, does not have a way to have the trigger locked to keep it on and the handle edges are a bit sharp. Would’ve been great if it had rounded handle.
D**C
Powerful use Bosch SDS Max bits
I had to dig a trench 120 feet and in some places it was over 5 ft deep and I began to hit boulders. I called a local and asked him if a skid steer and a jack attachment would break them up. I was told, you have to dig them out, it would be a waste of time to try and break them up. Challenge accepted. This Bosch RH540M 1-9/16 Inch SDS-Max Combination Rotary Hammer with 5/8 inch and 3/4 Hammer Bit drilled into the boulders and then I split them with some 3/4 Feather and Wedges, those thing are amazing. I also used a Bosch Clay Spade and Chisel Set on the impacted clay. It took about two weeks and it was a lot of work but the drill, bits and spade never let me down and I got the job done and saved a bunch of money not hiring someone with heavy equipment to remove the stones.
C**N
La calidad
Muy bueno
J**O
Way powerful machine.
Actually its WAY more power than what I need it for, but since when is having too many and too powerful a tool in your basement a bad thing? My wife says as long as I use something she doesn't care what I get. So that must mean if I only use it once its ok. :) I really only needed a machine to put 5 screws into our basement wall so yeah a regular hammer drill was the most appropriate, but . . . now if I ever need to make a 5 in hole in the concrete wall, I can. Plus it gave me an excuse to buy the spade chisel, sds-plus adapter, ground rod driver, 3 in scaling chisel . . . you know, just in case . . .
J**.
Práctico, fuerte pero ligero
Remodelar la casa
L**O
Cassé 2" de béton facilement trou de 4"1/2 aussi
Merveilleux pour cassé jusqu'à 2" de dalle. J'ai essayé 51/2 béton sur 8pied a 18" de largeur ça m'a pris beaucoup de temps mais j'y suis parvenue. Très très bonne machine pour petite à moyenne job de cassage de ciment. Sinon PARFAIT pour trou dans le beton 4"1/2 sortie de sécheuse en 1hrs même mangé l'armature easy !
B**A
Excelente
Es un roto martillo está muy bien para trabajos de albañilería
R**E
Great piece of equipment.
I work in facilities and have used this to drill through concrete and rebar, breaking apart concrete on chain link posts and as a post hole digger using a spade attachment to get through shale. Tomorrow I'm going to drill holes through cinder blocks to anchor rods to hold equipment that will be mounted over the edge of a commercial flat roof. I've had it for many years and even used it to break up large rocks in the way of laying pipe.
S**N
Excellent tool. Good value. Should have bought years ago.
Powerful and quick. Used to remove 10'x14' section of 65 year old 4" concrete floor. Also used to lift old tile and bore 4 inch hole through 10 inches of concrete. Did everything like a champ. Glad I bought this rather than rent one (multiple times). Expect I can sell it for 2/3rds what I paid when I'm finished with it.
Trustpilot
1 month ago
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