The new Bosch RH745 1-3/4" SDS-max rotary hammer features best in class drilling and chiseling performance with 7.6 ft.-lbs. Impact energy (Penta). The hammer features 2 modes of operation. Rotary hammer or hammer-only and a variable speed dial for controlled drilling and chiseling applications. The tool also features the Vario-Lock function. This allows the chisel to be rotated into 12 different positions to optimize the working angle when used in hammer only mode.
Features:

• SDS-max bit system - provides tool-free bit changes with automatic bit locking, dust protection and maximum impact energy transfer rate
• Combination dual mode selector - 2 modes of operation: rotary hammer and hammer only mode
• Variable speed dial - provides accurate bit starting and controlled chipping applications
• Turbo Power feature - delivers 10% more power in hammer only mode
• Service Minder light - indicates when preventative maintenance is required
• Vario-Lock positioning - rotates and locks chisel into 12 different positions to optimize working angle
• 360° Auxiliary handle - provides a wide range of movement along with operator comfort
• Soft grip rear handle - absorbs shock and vibration for operator comfort and less fatigue

Technical Details

• Amperage: 13.5
• Chuck Design: Keyless
• Chuck Size: SDS-Max
• Impact Energy/EPTA (ft. lbs.): 8.2 Ft./Lbs. EPTA
• Length: 21.0"
• Material: Metal, Plastic
• Max. Hole Diameter in Concrete: 1-3/4"
• Max. Hole Diameter in Concrete-Core Bit: 5"
• Max. Hole Diameter in Concrete-Thru Hole Bit: 3-1/8"
• No Load BPM: 1,380-2,750
• No Load RPM: 150-305
• Optimal Concrete Capacity Range: 5/8" - 1-9/16"
• Rating: 120V
• Voltage: 120V
• Weight: 18.5lb
  Includes: Rotary Hammer, Auxiliary Handle, Carrying Case