Bosch SDS-Max Rotary Hammer 1-9/16 in. (Model RH540M)

The Bosch RH540M SDS-Max Rotary Hammer delivers professional-grade performance for drilling, chiseling, and demolition applications. Powered by a 12 Amp, 120 V motor that generates up to 6.1 ft-lbs of impact energy, this combination hammer easily reduces concrete to dust while maintaining an exceptional impact-to-weight ratio at just 15.2 lb. Featuring a variable-speed dial, dual-mode selector (rotary hammer or hammer-only), and Bosch’s Vario-Lock mechanism with 12 chisel positions, the RH540M offers precise control and versatility on the jobsite. Its SDS-Max bit system ensures one-handed, tool-free bit changes, and service-minder brushes combined with innovative service modules help you stay ahead of maintenance.

Whether you’re drilling anchor holes, chiseling soffits, or performing light demolition, the RH540M provides the power, balance, and durability to get the job done faster and cleaner.

Key Features

• 6.1 ft-lbs of impact energy—up to 20 % more than other combination rotary hammers
• SDS-Max bit system for one-handed, tool-free bit changes
• Vario-Lock mechanism with 12 chisel-angle positions for optimal working angles
• Dual-mode selector knob for rotary-hammer or hammer-only operation
• Variable-speed dial for precise drilling and chiseling control
• Service-minder brushes and innovative service modules for easy maintenance
• Two-handle design (D-handle + auxiliary) for enhanced control and comfort