Boschhammer rotary hammer drill with side handle and SDS chuck system, designed for heavy-duty concrete and masonry work, shown with Bosch Professional branding.
Bosch RH540M rotary hammer drill with side handle and SDS-max chuck, designed for professional concrete drilling and chiseling, shown in blue and black with red accents.
The Bosch combination hammer with callout lines pointing to its key features: Vario-Lock positioning, selector knob, best-in-class impact energy, variable speed dial, service minder brushes, and the SDS-MAX bit system.
A close-up view of the handle of the Bosch combination hammer, highlighting the red variable speed dial.
The blue, hard-sided carrying case for the Bosch rotary hammer, shown closed with the Bosch logo in red.
Close-up views of a Bosch rotary hammer’s mode selector switch showing four operational settings: drilling mode, chipping mode, and two angles of vario-lock chisel positioning.
Graphic showing two available modes for a Bosch rotary hammer: rotary hammer mode with circular motion icon, and hammer-only mode with a standard hammer icon
Person using a Bosch rotary hammer with chisel bit to break concrete block wall, wearing safety gear including gloves, mask, and high-visibility vest.
Worker using Bosch rotary hammer drill with long masonry bit to bore into a concrete wall, wearing gloves and tool belt in a construction setting.
Comparison chart of seven Bosch rotary hammer models displaying specifications such as chuck type, amperage, impact energy, RPM, BPM, and mode functions.
Tough Hammer Drilling & Driving: Bosch 1/2 In promotional video
Boschhammer rotary hammer drill with side handle and SDS chuck system, designed for heavy-duty concrete and masonry work, shown with Bosch Professional branding.
Bosch RH540M rotary hammer drill with side handle and SDS-max chuck, designed for professional concrete drilling and chiseling, shown in blue and black with red accents.
The Bosch combination hammer with callout lines pointing to its key features: Vario-Lock positioning, selector knob, best-in-class impact energy, variable speed dial, service minder brushes, and the SDS-MAX bit system.
A close-up view of the handle of the Bosch combination hammer, highlighting the red variable speed dial.
The blue, hard-sided carrying case for the Bosch rotary hammer, shown closed with the Bosch logo in red.
Close-up views of a Bosch rotary hammer’s mode selector switch showing four operational settings: drilling mode, chipping mode, and two angles of vario-lock chisel positioning.
Graphic showing two available modes for a Bosch rotary hammer: rotary hammer mode with circular motion icon, and hammer-only mode with a standard hammer icon
Person using a Bosch rotary hammer with chisel bit to break concrete block wall, wearing safety gear including gloves, mask, and high-visibility vest.
Worker using Bosch rotary hammer drill with long masonry bit to bore into a concrete wall, wearing gloves and tool belt in a construction setting.
Comparison chart of seven Bosch rotary hammer models displaying specifications such as chuck type, amperage, impact energy, RPM, BPM, and mode functions.
Tough Hammer Drilling & Driving: Bosch 1/2 In promotional video
BOSCH

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

In stock
SKU: RH540M
$519.00 USD

Description

Bosch Promtional Logo Logout

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.