Power Tools for Professionals



SDS-max® 1-3/4 In. Rotary Hammer

The Bosch RH745 SDS-max® 1-3/4 In. rotary hammer features best in class drilling and chiseling performance with 8.2 Ft.-Lbs. Impact energy (EPTA). The hammer features two 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.

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  • (1) RH745 SDS-max® 1-3/4 In. Combination Hammer
  • (1) Auxiliary Handle
  • (1) Grease Tube
  • (1) Carrying Case


  • Bosch impact system - maximizes impact force and minimizes vibration
  • Soft-grip rear handle - provides improved user comfort
  • Service Minder light - indicates when preventative maintenance is required
  • SDS-max® bit system - tool-free bit changes with automatic bit-locking and maximum impact energy transfer rate
  • Service Minderlight — indicates when preventative maintenance is required
  • 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 Data

Amperage 13.5
Chuck Design Keyless
Chuck Size 1-3/4 in
Drive System SDS-max
Height 10.5"
Impact Energy/EPTA (ft. lbs.) 8.2 Ft.-Lbs. EPTA
Length 21.0"
Material Metal, Plastic
Max Bit Diameter 1-3/4"
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
Weight (lbs.) 18.5
Width 4.0"
Works With Dust Extraction/Collection Hoods
HDC200, HDC250, HDC300
SDS-max® Hammer Adapter for SDS-plus® Accessories
SDS-max® Hammer Adapter for Spline Accessories
SDS-max® Hammer Adapter for 1/2 In.-20 Thread Accessories
Includes (1) RH745 SDS-max® 1-3/4 In. Combination Hammer, (1) Auxiliary Handle, (1) Grease Tube, (1) Carrying Case
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Owner's Manual


Accessories and Attachments For RH745

Adapters and Chucks
Rotary Hammer & Hammer Drill Attachments
SDS-max® Hammer Carbide
SDS-max® Hammer Steel


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