The Bosch GBH2-28L SDS-plus® Bulldog™ Xtreme Max 1-1/8 In. Rotary Hammer features a powerful 8.5 Amp motor and KickBack Control. This feature is an integrated sensor to stop tool rotation during bit bind-up situations. A tool that upholds the tradition in the line of legendary Bosch Bulldog hammers, the GBH2-28L combines user comfort with versatile drilling and hammering functions. It provides counter-balanced Vibration Control for more comfortable handling of the hammer. Ideal for masonry pros or general contractors, this tool weighs only 6.9 Lbs. but delivers 2.4 Ft.-Lbs. of impact energy and 0-5,100 BPM. It has a multifunction mode selector for drilling versatility – drilling only, hammer drilling and chiseling. This Bulldog has ideal features for hard-working pros, including a variable-speed reversing trigger for accurate bit starting, Vario-Lock positioning for the optimal chiseling angle, a HammerHook that allows the user to hang the tool on the job and an ergonomic D-handle for user comfort. The SDS-plus® system provides for tool-free bit changes.
Features & Benefits
- Robust 8.5-amp motor – delivers 2.4 Ft.-Lbs. of impact energy for reliable Bulldog performance
- KickBack Control – uses an integrated sensor to stop tool rotation during bit bind-up situations
- Counter-balanced Vibration Control – improves user comfort during drilling or chiseling applications
- Vario-Lock – rotates and locks chisel to optimize working angle
- Variable-speed trigger with reversing – offers accurate bit starting
- HammerHook – allows quick tool storage during the job
- D-handle design – ideal for overhead and downward drilling applications
- Multi-function selector – three modes of operation: drilling only, hammer drilling and chiseling
- SDS-plus® bit system – tool-free bit changes with automatic bit locking
Technical Specifications
Amperage |
8.5 |
Chuck Design |
Keyless |
Chuck Size |
1-1/8 in |
Drive System |
SDS-plus |
Height |
6.0" |
Impact Energy/EPTA (ft. lbs.) |
2.4 Ft.-Lbs. EPTA |
Length |
17.4" |
Material |
Plastic Composite |
Max Bit Diameter |
1-1/8" |
Max. Capacity in Concrete |
1-1/8" |
Max. Hole Dia. - Core Bit |
2-5/8" |
No Load BPM |
0-5,460 |
No Load RPM |
0-1,230 |
Rating |
120V |
Voltage |
120V |
Weight |
6.9lb |
Weight (lbs.) |
6.9 |
Width |
3.5" |
Works With |
18V On-Tool Dust Extractor GDE18V-26D
Other Dust Extraction/Collection Hoods HDC100, HDC200
Right Angle Attachment RHA-50
Keyless 3-Jaw Chuck with SDS-plus® Shank HA3JAW |
Includes |
(1) GBH2-28L SDS-plus® Bulldog™ Xtreme Max 1-1/8 In. Rotary Hammer, (1) Auxiliary Handle, (1) Depth Gauge, (1) Carrying Case |