SKU: 22809267955

Bosch RH540M 1-9/16 Inch SDS-max Combination Rotary Hammer 12 Amp Motor 6.1 Ft-Lbs Impact Energy Corded Concrete Drilling Chipping Demolition Tool Kit

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Description

Bosch RH540M 1-9/16 Inch SDS-max Combination Rotary Hammer 12 Amp Motor 6.1 Ft-Lbs Impact Energy Corded Concrete Drilling Chipping Demolition Tool KitDominate Concrete Projects with the Industrial Power of the Bosch RH540M Combination Rotary Hammer The Bosch RH540M is the ultimate professional workhorse, engineered for contractors who demand relentless power and jobsite versatility. Driven by a high performance 12 Amp motor, this 1 9 16 inch SDS max combination hammer delivers a best in class 6. 1 Ft. Lbs. of impact energy. Perfectly balanced for all day use, it provides the industrial strength

Dominate Concrete Projects with the Industrial Power of the Bosch RH540M Combination Rotary Hammer

The Bosch RH540M is the ultimate professional workhorse, engineered for contractors who demand relentless power and jobsite versatility. Driven by a high-performance 12-Amp motor, this 1-9/16-inch SDS-max® combination hammer delivers a best-in-class 6.1 Ft.-Lbs. of impact energy. Perfectly balanced for all-day use, it provides the industrial-strength force required to blast through cured concrete and masonry with ease. Whether you are boring large-diameter holes for mechanical installations or performing heavy-duty demolition work, the RH540M eliminates the need for multiple tools by offering high-speed drilling and hard-hitting chipping in one robust package.

Built for the rigors of commercial construction, the RH540M features a dual-mode selector knob that allows you to switch instantly between rotary hammer mode and hammer-only mode for demolition tasks. Precision is managed through the innovative Vario-Lock™ system, which enables you to rotate and lock chisels into 12 different positions to achieve the perfect working angle for scaling or tile removal. Safety is a priority with the integrated integral clutch, which automatically disengages the torque transmission if the bit binds in rebar, protecting the user from dangerous kickback. Combined with the SDS-max® tool-free bit system for rapid changes, the RH540M ensures you stay productive and safe on the most demanding jobsites.

Key Features

  • Best-in-Class Impact Energy: Delivers 6.1 Ft.-Lbs. of impact energy for rapid concrete demolition and large-diameter drilling.
  • Hard-Hitting 12-Amp Motor: Provides professional-grade power for the most demanding commercial masonry applications.
  • Dual-Mode Versatility: Features two modes of operation: Rotary Hammer for drilling and Hammer-Only for chipping and scaling.
  • Vario-Lock™ Positioning: Rotates and locks chisels into 12 distinct positions to optimize the tool for any demolition angle.
  • Enhanced Operator Safety: Integral clutch disengages the motor if the bit binds, significantly reducing high-torque kickback.
  • SDS-max® Bit System: Provides tool-free bit changes and maximum impact energy transfer for industrial productivity.

What's Included

  • (1) RH540M 1-9/16-in. SDS-max® Combination Rotary Hammer
  • (1) 360° Auxiliary Side Handle
  • (1) Heavy-Duty Carrying Case

Specifications

Brand Name Bosch
Model Number RH540M
Amperage 12.0 Amps
Chuck System SDS-max®
Impact Energy 6.1 Ft.-Lbs.
No-Load RPM 170 - 340 RPM
No-Load BPM 1,200 - 2,750 BPM
Max Capacity (Core Bit) 4 in.
Max Capacity (Concrete Bit) 1-9/16 in.
Tool Weight 15.2 lbs.
Voltage 120V
Length 19.0 in.

Pro-Tip: To extend the life of the tool's internal hammering mechanism, always apply a small dab of grease to the shank of your SDS-max® bits before inserting them into the chuck. This reduces friction and heat buildup during long drilling sessions, ensuring that the 6.1 Ft.-Lbs. of energy is focused on the concrete rather than wearing down the tool's internal components.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 22809267955

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4.2 ★★★★★
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Verified Purchase
Sonia Lea Bodziony
Lexington, US
★★★★★ 5
Mapping all areas first
Size: C20 renewed
Great vac Quick delivery Easy set up Mop wasn’t responding and customer service was amazing to help troubleshoot and get the problem resolved. A little frustrated at first because the chat wasn’t as helpful and I could not reach them by phone but the email techs replied immediately and promptly responses and help.
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Reviewed in the United States on September 28, 2025
R
Verified Purchase
Recon
Boise, US
★★★★★ 4
Rattles like a vibrator when it mops after about 2 weeks.
Size: C20 renewed
Works ok. Vacuum beater and opening is only about 6 inches long and the dirt box in the bot is really tiny. Beater is way to tiny to do any real vacuuming on even short shag rugs. The mop works but basically just evenly spreads out whatever dirt is on the floor, evenly across your entire floor and sands the floor with it. After about 2 weeks the bot starts rattling REALLY loud and vibrating like its falling apart. The crazy loud rattling noise is coming from the plastic mop pad axles when they spin. The vacuum bag inside the base is very good quality, but small and not reusable. I cut the far end of the bag down the middle and glued on some velcro strips to each side to re-close it, which allows me to empty the bag and then close it back up again. Pretty sure this thing transmits everything it sees/does back to China.
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Reviewed in the United States on April 30, 2026
C
Verified Purchase
Crystal
Chelsea, US
★★★★★ 1
Issues
Size: C20 renewed
Spent all this money for it to consistently have problems. It doesn’t even mop anymore because it keeps saying there is a problem with the sewage tank. I’ve only turned it on less than 5 times and it’s already having issues. Can’t even get it to mop anymore
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Reviewed in the United States on April 25, 2026
M
Verified Purchase
Melace83
Lexington, US
★★★★★ 5
Works great
Size: C20 renewed
I saved some money by purchasing this certified like new. Worked well out of the box, but there was an issue with it and the people that do in fact check to ensure these work should do a better job. The issue was with the water and emptying it into the dirty tank. Just kept giving me an error. So, I had to look online for troubleshooting issues. After maybe 20-30 minutes I figured out a tiny little metal piece was loose where the water would have been distributed to. I was able to pop it out and place it back in. After that, and with the right settings selected through the app, everything works great. Well worth it.
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Reviewed in the United States on March 29, 2026
J
Verified Purchase
Jonathan B
Boise, US
★★★★★ 3
Good mop, bad avoidance
Size: C20 renewed, Size: C20 renewed
I have mixed feelings about this product: The good – It does in fact clean very well. The mop picks up dirt effectively and the vacuum works very well. It was also surprisingly good at swapping from carpet to wood. I have a high door mat and it ran right over that. It was also good at mapping rooms and positioning, the floor map and restricted areas worked nicely. App also works well. The bad – Obstacle avoidance, it has none. It will run into everything over and over. If the item is too light (shoes, mic items, etc), it will run up on top of them or push them. It will also get stuck if it runs over something. Cords have no chance. The lidar does not work for anything except a wall, and even there it was unable to deal with short trim (1” trim was too low for the lidar and it kept running into the trim). I was having to run around and ensure there was nothing on the floor for it to work effectively. It also had a lot of trouble with my dining table, it would spend 20 min bumping up against it trying to get everywhere. Overall – this is a great robot mop if your floors don’t have any items on them (or you can restrict any loose items to one area and make it a no-go zone). If that is true then this is a great mop for the price and I would recommend. In practice for me it turned out to be quite annoying due to its limited obstacle avoidance and was almost more of a pain then just using a Swiffer. Note – I had to return because it was making a scraping noise (refurbished version), that is not reflecting in my rating. Though I am also not re-buying due to these issues.
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Reviewed in the United States on September 11, 2025

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