Bosch GBH 187-LI Professional Cordless Brushless Rotary Hammer 18V Bare Tool, OneChuck System
HIGHLIGHTS: The GBH 187-LI Professional is an efficiency champion when it comes to drilling speed and number of holes per battery charge due to its brushless motor and optimised mechanism. The...

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HIGHLIGHTS:
The GBH 187-LI Professional is an efficiency champion when it comes to drilling speed and number of holes per battery charge due to its brushless motor and optimised mechanism. The Constant Speed function maintains the drilling speed at all times. The Cordless Rotary Hammer is more comfortable to hold thanks to its L-Shape design. It offers functions like Vibration Control and KickBack Control for work at an excellent price-performance ratio. The easy-to-read HMI displays the battery level and allows the user to choose between automatic mode and the favourite mode predefined in the BeConnected App.
Equipment & Application
The GBH 187-LI Professional is a high performer whenever it comes to hammer drilling and light chiselling in concrete or drilling in wood and metal.
Live the freedom that your work demands
- One Chuck - A single chuck that can fit both SDS-plus and cylindrical/hex dill bits for your wide range of applications.
- Efficiency champion for drilling holes fast with just one battery charge
- Better protection by KickBack Control and Vibration Control
- Optimized brushless motor and mechanism for faster work
- Compatible with dust extractor solution GDE 18V-16
- Battery status at a glance on HMI and smart app for customized setting
| Battery Voltage: | 18.0 V |
| Impact Energy: | 2.4 J |
| Tool Holder: | SDS plus, Cylindrical, HEX |
| Impact Rate at Rated Speed: | 0 – 4,350 bpm |
| Rated Speed: | 0 – 980 rpm |
| Weight (excl. battery): | 3 kg |
| Drilling Range: | |
| Drilling Dia. in Concrete with Hammer Drill Bits: | 4 – 24 mm |
| Opt. App. Range in Concrete with Hammer Drill Bits: | 6 – 14 mm |
| Total Vibration Values (Hammer Drilling in Concrete): | |
| Vibration Emission Value ah: | 15.5 m/s² |
| Uncertainty K: | 1.5 m/s² |
| Total Vibration Values (Chiselling in Concrete): | |
| Vibration Emission Value ah: | 9.5 m/s² |
| Uncertainty K: | 1.5 m/s² |
| Hammer Drilling in Concrete: | |
| Vibration Emission Value ah: | 15.5 m/s² |
| Uncertainty K: | 1.5 m/s² |
| Chiselling in Concrete: | |
| Vibration Emission Value ah: | 9.5 m/s² |
| Uncertainty K: | 1.5 m/s² |
WHAT'S IN THE BOX:
- Bosch GBH 187-LI (Bare Tool)
- Carrying Case
NOTE: BATTERY AND CHARGER NOT INCLUDED
Bosch ONECHUCK: Versatile Performance
The Bosch ONECHUCK feature, integrated into the GBH 187-LI and GBH 18V-18 X Professional cordless rotary hammers, redefines versatility by allowing seamless use of SDS-plus, cylindrical, and hex drill bits in a single chuck. This innovative system eliminates the need for multiple chucks or adapters, making these tools ideal for professionals working on concrete, wood, and metal.
Key Benefits of ONECHUCK
- Unmatched Versatility: Supports hammer drilling in concrete (4–24 mm for GBH 187-LI, up to 18 mm for GBH 18V-18 X), chiseling in masonry, and drilling in wood and steel.
- Time-Saving Efficiency: Tool-free bit changes minimize downtime. The GBH 187-LI delivers fast drilling speeds, while the GBH 18V-18 X achieves up to 50 holes per 2.0 Ah battery charge.
- User-Friendly Design: Intuitive bit swaps and ergonomic L-shape design ensure comfort, with the GBH 18V-18 X excelling in confined spaces.
- Enhanced Safety: Features KickBack Control and Vibration Control for safer, fatigue-free operation.
Technical Specifications
- Battery Voltage: 18.0 V (both models)
- Impact Energy: Up to 2.4 J (GBH 187-LI), 1.7 J (GBH 18V-18 X)
- Applications: Hammer drilling and chiseling in concrete/bricks, drilling in wood/steel
- Drilling Diameter in Concrete: 4–24 mm (GBH 187-LI), up to 18 mm (GBH 18V-18 X)
Why ONECHUCK?
The ONECHUCK system in the GBH 187-LI and GBH 18V-18 X offers unmatched adaptability and efficiency. Whether tackling heavy-duty tasks or working in tight spaces, professionals benefit from a single tool that handles diverse tasks with precision and speed.
Bosch 18V System Promotion

Get a 3.0Ah Battery + Charger for Only ₱2,800!
Looking to power up your toolkit with Bosch’s reliable 18V system? Now’s the perfect time to grab an incredible deal! For a limited time, when you purchase any Bosch 18V bare tool, you can get a starter kit—including a GBA 18V 3.0 Ah battery and a GAL 18V-40 charger—for only ₱2,800 (originally priced at ₱4,875). That’s a fantastic saving for professional-grade power tools designed to get the job done.
Promotion Details:
- Offer: GBA 18V 3.0 Ah battery + GAL 18V-40 charger for just ₱2,800.
- Original Price: ₱4,875.
- How to Avail: Include the 3.0Ah Starter Kit along with a participating 18V bare tool in your cart to take advantage of the discounted price.
- Promo Period: Valid until December 31, 2025.
Why Choose Bosch 18V System?
Bosch’s 18V system offers a wide range of cordless tools, from drills and saws to grinders and more, all powered by a single battery platform. The GBA 18V 3.0 Ah battery delivers long-lasting performance, while the GAL 18V-40 charger ensures quick and efficient recharging, keeping you ready for any project.
Terms & Conditions:
- Offer is subject to stock availability.
- Promo runs until December 31, 2025, or while supplies last.
- DTI Fair Trade Permit No. FTEB-210203 Series of 2025.
Don’t miss out on this exclusive offer to enhance your Bosch 18V collection at an unbeatable price!

Warranty Coverage for BOSCH Tools
- All BOSCH Professional Power Tools (including batteries and chargers) and BOSCH Measuring Tools purchased from GIGATOOLS are entitled to a 1-year warranty period from the date of purchase, covering parts and labor.
- BOSCH Home and Garden Tools (e.g., Aquatak range, DIY, and tools with green-colored body) purchased from GIGATOOLS are entitled to a 6-month warranty period from the date of purchase, covering parts and labor.
Register your product at Bosch BeConnected to ensure eligibility. Terms and conditions apply.
Free Pickup and Delivery Service
As an authorized BOSCH dealer, GIGATOOLS offers access to BOSCH’s free pickup and delivery service for warranty and repair of your power tools at selected Authorized Service Centers (ASCs) in the Philippines.* Ensure your BOSCH tools are backed by this reliable service by purchasing from GIGATOOLS. Here’s how it works:
-
Step 1: Contact the Authorized Service Center
Find the nearest Authorized Service Center (ASC) from the list HERE to schedule a pickup. -
Step 2: Prepare Your Tool for Pickup
Package your tool securely, including proof of purchase from GIGATOOLS, a note detailing the fault, and your full name, company name (if applicable), phone number, and complete address. The ASC will arrange a courier to collect the tool on the next working day. -
Step 3: Pay Any Applicable Charges
For non-warranty tools, the ASC will provide a cost estimate for labor, parts, or other charges. Payment must be made (via bank deposit, e-wallet, etc.) before repairs are completed for non-warranty items. -
Step 4: Receive Your Repaired Tool
Once repairs are done, the ASC will schedule delivery of your tool via courier. You’ll receive a checklist and/or photo of the items upon return.
Important Notes:
- *Free pickup and delivery are available for a single delivery only. If items are not received and require redelivery, additional charges may apply.
- For warranty tools purchased from GIGATOOLS, repairs are free if covered. For non-warranty tools, the ASC will confirm costs and payment methods.
- Available at selected BOSCH Authorized Service Centers only.
- Per DTI Fair Trade Permit No. FTEB-210201 Series of 2025.
Contact BOSCH Philippines
Website: https://www.bosch-pt.com.ph
Read: Warranty Terms & Conditions
BOSCH: Reliable Service for Your Power Tools. Only with GIGATOOLS.
Only on-stock items are available for same day delivery. To avail of this service, please book before 4pm.
Estimated delivery date is 1 to 3 weeks, the duration depends on how far away you are from Manila.
To find out if there are APCargo or Jades Cargo branches near your address or simply to know more about this option, kindly chat with us over at Facebook Messenger or Viber.
You may discuss this option via our Facebook Messenger or Viber for details.
Tel: (02) 7917 7186
Mobile: 0917 587 7077
Email: info@gigatools.ph
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Viber: Chat Now