The GBH18V-21N is a cordless rotary hammer in Bosch's 18V Brushless SDS-plus Rotary Hammer family. It uses an SDS-plus chuck system and delivers 1.5 ft.-lbs. EPTA impact energy, with no-load speeds up to 1800 RPM and 5100 BPM. This 18V brushless model has a maximum bit diameter of 3/4 in. It is sold as a bare tool, so batteries and charger are not included. It is compatible with Bosch 18V batteries and chargers used across the platform. The tool and charger carry a 5-year limited warranty, while Bosch 18V batteries carry a 3-year limited warranty.
Is this a kit or bare tool?
This is a bare tool, so batteries and charger are sold separately.
What chuck system does it use?
It uses a Keyless SDS-plus and accepts SDS-plus bits and accessories.
How much impact energy does it deliver?
Bosch rates it at 1.5 ft.-lbs. EPTA impact energy.
Will it work with Bosch 18V batteries I already own?
Yes. It uses Bosch 18V batteries and chargers across the same cordless platform.
Is it heavy for overhead or ladder work?
Several buyers describe the larger SDS-max models as powerful but heavier, so two-handed use is more realistic for overhead, ladder, or extended drilling work.
What warranty comes with it?
The tool and charger are covered by a 5-year limited warranty, and Bosch 18V batteries are covered by a 3-year limited warranty.
# Bosch GBH18V-21N 18V Brushless SDS-plus 3/4 In. Rotary Hammer (Bare Tool) **Model:** `GBH18V-21N` **Brand:** Bosch **Category:** Rotary Hammer > The GBH18V-21N is a cordless rotary hammer in Bosch's 18V Brushless SDS-plus Rotary Hammer family. It uses an SDS-plus chuck system and delivers 1.5 ft.-lbs. EPTA impact energy, with no-load speeds up to 1800 RPM and 5100 BPM. This 18V brushless model has a maximum bit diameter of 3/4 in. It is sold as a bare tool, so batteries and charger are not included. It is compatible with Bosch 18V batteries and chargers used across the platform. The tool and charger carry a 5-year limited warranty, while Bosch 18V batteries carry a 3-year limited warranty. ## Specifications | Attribute | Value | |---|---| | Product Type | Rotary Hammer | | Voltage (V) | 18 | | Cordless / Corded | Cordless | | Power Source | Battery | | Motor Type | Brushless | | Tool Only | Yes | | Batteries Included | 0 | | Charger Included | No | | Piece Count | 3 | | Height (in.) | 8.7 | | Length (in.) | 12.8 | | Weight (lbs) | 5.3 | | Width (in.) | 3.5 | | Battery Platform | 18V | | Drive System | SDS-plus | | Chuck Type | Keyless SDS-plus | | No Load Rpm | 1,800 | | No Load Bpm | 5,100 | | Impact Energy Ft Lbs Epta | 1.5 | | Max Bit Diameter In | 0.75 | | Variable Speed | Yes | | Warranty | 5-year limited (tool + charger); 3-year limited (battery) | ## What's Included - (1) GBH18V-21 18V Brushless SDS-plus Bulldog 3/4 In. Rotary Hammer - (1) Auxiliary Handle - (1) Depth Gauge Source: https://www.jaspecs.com/bosch/rotary-hammer/gbh18v-21n-0611911116/