Bosch BULLDOG GBH18V-26D rotary hammer drill, battery, and charger; "Boschhammer" visible.
Bosch BULLDOG GBH18V-26D, with EC Brushless Motor, Variable-Speed Reversing Trigger, D-Handle Design, 360° Side Handle, Multi-Function Selector, LED Light, and Electronic Motor and Cell Protection.
GBH18V-26DK25
GBH18V-26DK25
GBH18V-26DK25
Bosch BULLDOG GBH18V-26D cordless hammer drill, with CORE18V 4 Ah battery.
Bosch GBH18V-26D Bulldog rotary hammer, with CORE18V battery.
Bosch BULLDOG GBH18V-26D, Boschhammer, drill bit, and FIRM GRIP gloves.
A gloved hand holding a blue and black power tool with a red button.
Person using a Bosch Bulldog GBH18V-26D rotary hammer, with a DC200 dust collection attachment, wearing a plaid shirt and jeans.
Boschhammer electric drill with attached drill bit, held by a person wearing camo gloves with the word "BOSCH" visible.
Bosch GBH18V-26D, Bulldog rotary hammer, with SDS, held by person wearing gloves. A blue vacuum is in the background.
Bosch BULLDOG GBH18V-26D cordless hammer drill drilling into concrete.
Bosch BULLDOG GBH18V-26D cordless rotary hammer drill with CORE18V.4Ah battery, being used by a person wearing work gloves and jeans at a construction site.
Bosch GBH18V-26D Bulldog rotary hammer drill, person wearing gloves holds it against a concrete block, the Core18V 8.0 battery is visible.
Bosch BULLDOG GBH18V-26D cordless rotary hammer being used on a brick wall, attached to a HEPA vacuum.
Bosch BULLDOG GBH18V-26D and GDE18V-26D drills, a worker wearing safety glasses, a face mask, and earplugs drilling into a ceiling.
Bosch BULLDOG GDE18V-26D Boschhammer power tool with CORE 18V 4Ah battery and HEPA filter.
AVAILABLE MODES. Rotary Only with drill icon. Rotary Hammer with drill and hammer icons. Hammer Only with hammer icon.
Included batteries are part of the AMPShare 18V Battery System, with two Bosch CORE18V 4Ah batteries included. Powered by Bosch.
AMP Share Multi-brand Compatible 18V Battery System, powered by BOSCH.
Bosch 18V Tool-Charger/Battery Kit, 5 Year Tool/Charger, 3 Year Battery Limited Warranty. Effective 6/1/23, all 18V products covered by updated warranty; see rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99.

GBH18V-26DK25 Professional

Cordless Rotary Hammers

18V EC Brushless SDS-plus® Bulldog™ 1 In. Rotary Hammer Kit with (2) CORE18V 4 Ah Advanced Power Batteries

  • Legendary Bulldog™ performance – lightweight D-handle hammer consistently outperforms best-selling 1 In. corded 11255VSR
  • Superior impact – delivers 1.9 Ft.-Lbs. of impact energy (EPTA) for maximum performance in heavy-duty drilling and chipping
  • Efficient brushless motor – combines with a CORE18V battery to help provide greater productivity and maximized runtime
  • CORE18V battery – provides next-gen Li-ion 21700 cell technology in a lightweight, high-power battery
  • KickBack Control technology – reduces the risk of sudden tool reactions in binding conditions
  • D-handle design – ideal for overhead, horizontal and downward drilling applications
  • Lightweight, at only 5.8 Lbs. (tool only, not including battery) – provides maneuverability for concrete drilling anywhere on the jobsite
  • Variable-speed reversing trigger – allows for accurate bit starting
  • SDS-plus® chuck – industry-standard system compatible with many bits
  • Robust power system – produces 0-4,350 no-load bpm and 0-890 no-load rpm
  • Bosch-exclusive CoolPack 2.0 technology – provides better cooling than previous-generation system, transferring more heat to the battery’s outer surface
  • Works with Bosch PRO+GUARD™ dust solutions – compatible with an optional GDE18V-26D cordless dust-extraction unit, delivering a self-contained HEPA dust solution for max mobility
  • Electronic Motor and Cell Protection – helps protect motor and battery from overheating
  • 360° side handle – provides a variety of grip positions for maximum ergonomics
  • LED worklight – illuminates dark work areas
  • AMPShare™ System – designed to be multi-brand compatible across many cordless products to make managing your work day easier
  • AMPShare™ System compatibility – 18V batteries and chargers are compatible with Bosch 18V power tools and a growing list of cordless products from AMPShare™ brands
  • Bosch 18V cordless power tools and 18V chargers are covered by a five year limited warranty; Bosch 18V batteries are covered by a three year limited warranty – for details, visit https://rb-pt.io/PowerToolWarranty or call 1-877-BOSCH99
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GBH18V-26DK25 Professional

Technical data

The most important data

Battery Chemistry
Lithium Ion
Battery/Charger
Included
Chuck Design
Keyless
Chuck Size
1 in
Drive System
SDS-plus
Height in
6.5 "
Impact Energy/EPTA (ft. lbs.)
1.9 Ft.-Lbs. EPTA
Length in
17.5 "
Max Bit Diameter
1"
Max. Capacity in Concrete
1"
Max. Capacity in Steel
1/2"
Max. Capacity in Wood
1-1/4"
Max. Hole Diameter in Concrete
1"
Max. Hole Diameter in Concrete-Thin Wall Core Bit
2-5/8"
No Load BPM
0-4,350
No Load RPM
0-890
Reverse
Yes
Variable Speed
Yes
Weight
5.8 lb
Width in
3.25 "
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) GBH18V-26D 18V EC Brushless SDS-plus® Bulldog™ 1 In. Rotary Hammer
(2) GBA18V40 18V CORE18V Lithium-Ion 4 Ah Advanced Power Batteries
(1) 18V Charger
(1) Auxiliary Handle
(1) Depth Gauge
(1) Carrying Case

GBH18V-26DK25 Professional: Further information

Product Highlights

This Bosch D-handle Bulldog™ hammer consistently outperforms the best-selling 1 In. corded 11255VSR Bulldog™, making it better than the best. The GBH18V-26D 18V Brushless 1 In. SDS-plus® Bulldog™ Rotary Hammer delivers 1.9 Ft.-Lbs. of impact energy, based on the industry standard of measurement agreed upon by the European Power Tool Association (EPTA). It weighs only 5.8 Lbs. (tool only, not including battery), delivering superior performance and an outstanding impact-to-weight ratio. The efficient brushless motor combined with a CORE18V battery helps provide greater productivity and maximized runtime. The kit includes two CORE18V 4 Ah Advanced Power Batteries, which deliver lightweight, high power, and are equipped with CoolPack technology for extended life. The tool features a jobsite-proven D-handle design with soft-grip and is ideal for overhead, horizontal and downward drilling applications. It also has KickBack Control, an integrated sensor to stop tool rotation in bind-up situations. The hammer features a variable-speed reversing trigger for accurate bit starting.