Bosch 3/4-in Brushless SDS-plus Bulldog Rotary Hammer

Bosch GBH18V-21N
Bosch 3/4-in Brushless SDS-plus Bulldog Rotary Hammer

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Bosch 3/4-in Brushless SDS-plus Bulldog Rotary Hammer
Bosch 3/4-in Brushless SDS-plus Bulldog Rotary Hammer
Bosch's Brushless 3/4-Inch SDS-plus Bulldog Rotary Hammer delivers exceptional performance for anchoring in concrete, drilling in masonry, core cutting & chiseling & 1.5 Ft-Lbs of impact energy. This hammer work as hard as you. Shop HomElectrical now!


  • Chuck Design: Keyless.
  • Chuck Size: SDS-plus.
  • Impact Energy/EPTA: 1.5 Ft-Lbs.
  • Max Capacity in Concrete: 3/4-in.
  • Max Capacity in Steel: 1/2-in.
  • Max Capacity in Wood: 1-1/4-in.
  • Max Hole Diameter in Concrete: 3/4-in.
  • Max Hole Diameter in Concrete-Thin Wall Core Bit: 2-1/2-in.
  • No Load BPM: 0 - 5,100.
  • No Load RPM: 0 - 1,800.
  • Powerful, compact cordless rotary hammer - features drilling performance plus chiseling in a lighter tool.
  • Superior impact - delivers 1.5 Ft-Lbs of impact energy (EPTA) for maximum performance in drilling and chipping.
  • Lightweight, at only 5.3 lbs (tool only, not including battery) - provides maneuverability for concrete drilling anywhere.
  • Efficient brushless motor - maximizes battery runtime in extended applications.
  • Battery requirement - compatible with Bosch 18V Li-ion batteries, but for optimal results, it requires a Bosch 18V 4.0 Ah battery or higher.
  • Robust power system - produces 0-5,100 no-load bpm and 0-1,800 no-load rpm.
  • Multi-function selector - three modes of operation: rotary hammer, rotation only and hammer only.
  • Works with Bosch PROGUARD dust solutions - an end-to-end dust-collection system that helps users move toward OSHA Silica dust compliance.
  • Ergonomic design - provides great user comfort, with a soft-grip handle.
  • Electronic Motor and Cell Protection - helps protect motor and battery from overheating.
  • SDS-plus chuck - industry-standard system compatible with many bits.
  • Includes:
    • 18V Brushless SDS-plus Bulldog 3/4-in Rotary Hammer.
    • (1) Auxiliary Handle.
    • (1) Depth Gauge.
  • Battery NOT Included.
  • cUL/UL Listed, CSA US.
  • 3 Year Warranty.
  • Dimensions: 12.8-in (L) x 3.5-in (W) x 8.7-in (H).


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Product Specifications

Part NumberGBH18V-21N
Inner Package1
Maximum Voltage18V
Power TypeBattery
Warranty3 Yr
Weight5.30 lb

Manufacturer Description

18V Brushless 3/4" SDS-plus Rotary Hammer (Bare Tool)

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